Home / 1,345,477,533.10-2,018,216,299.65-982,680,477.10

Finding the Fourth Proportional to 1,345,477,533.10, 2,018,216,299.65 and 982,680,477.10

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Solution

The fourth proportional to 1,345,477,533.10, 2,018,216,299.65 and 982,680,477.10 is: 1,474,020,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,477,533.10 : 2,018,216,299.65 = 982,680,477.10 : x
  2. Step 2: Convert to fraction form
    1,345,477,533.10/2,018,216,299.65 = 982,680,477.10/x
  3. Step 3: Cross multiply
    1,345,477,533.10x = 2,018,216,299.65 × 982,680,477.10
  4. Step 4: Simplify right side
    1,345,477,533.10x = 1,983,261,756,231,058,688
  5. Step 5: Solve for x
    x = 1,983,261,756,231,058,688/1,345,477,533.10
  6. Step 6: Final answer
    x = 1,474,020,715.65

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Double scale
Find fourth proportional to 1,345,477,534.10, 2,018,216,301.15 and 982,680,478.10
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.