Home / 1,545,293,810.40-2,317,940,715.60-510,314,431.20

Finding the Fourth Proportional to 1,545,293,810.40, 2,317,940,715.60 and 510,314,431.20

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Solution

The fourth proportional to 1,545,293,810.40, 2,317,940,715.60 and 510,314,431.20 is: 765,471,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,293,810.40 : 2,317,940,715.60 = 510,314,431.20 : x
  2. Step 2: Convert to fraction form
    1,545,293,810.40/2,317,940,715.60 = 510,314,431.20/x
  3. Step 3: Cross multiply
    1,545,293,810.40x = 2,317,940,715.60 × 510,314,431.20
  4. Step 4: Simplify right side
    1,545,293,810.40x = 1,182,878,597,836,734,976
  5. Step 5: Solve for x
    x = 1,182,878,597,836,734,976/1,545,293,810.40
  6. Step 6: Final answer
    x = 765,471,646.80

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Double scale
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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.