Home / 1,310,202,401.10-1,965,303,601.65-621,454,865.10

Finding the Fourth Proportional to 1,310,202,401.10, 1,965,303,601.65 and 621,454,865.10

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Solution

The fourth proportional to 1,310,202,401.10, 1,965,303,601.65 and 621,454,865.10 is: 932,182,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,202,401.10 : 1,965,303,601.65 = 621,454,865.10 : x
  2. Step 2: Convert to fraction form
    1,310,202,401.10/1,965,303,601.65 = 621,454,865.10/x
  3. Step 3: Cross multiply
    1,310,202,401.10x = 1,965,303,601.65 × 621,454,865.10
  4. Step 4: Simplify right side
    1,310,202,401.10x = 1,221,347,484,643,944,960
  5. Step 5: Solve for x
    x = 1,221,347,484,643,944,960/1,310,202,401.10
  6. Step 6: Final answer
    x = 932,182,297.65

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Half scale
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Double scale
Find fourth proportional to 1,310,202,402.10, 1,965,303,603.15 and 621,454,866.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.