Home / 1,013,993,292.81-1,396,058,564.30-790,688,427.62

Finding the Fourth Proportional to 1,013,993,292.81, 1,396,058,564.30 and 790,688,427.62

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Solution

The fourth proportional to 1,013,993,292.81, 1,396,058,564.30 and 790,688,427.62 is: 1,088,614,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,993,292.81 : 1,396,058,564.30 = 790,688,427.62 : x
  2. Step 2: Convert to fraction form
    1,013,993,292.81/1,396,058,564.30 = 790,688,427.62/x
  3. Step 3: Cross multiply
    1,013,993,292.81x = 1,396,058,564.30 × 790,688,427.62
  4. Step 4: Simplify right side
    1,013,993,292.81x = 1,103,847,351,071,338,368
  5. Step 5: Solve for x
    x = 1,103,847,351,071,338,368/1,013,993,292.81
  6. Step 6: Final answer
    x = 1,088,614,055.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.