Home / 763,448,053.40-1,145,172,080.10-376,027,564.40

Finding the Fourth Proportional to 763,448,053.40, 1,145,172,080.10 and 376,027,564.40

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Solution

The fourth proportional to 763,448,053.40, 1,145,172,080.10 and 376,027,564.40 is: 564,041,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,448,053.40 : 1,145,172,080.10 = 376,027,564.40 : x
  2. Step 2: Convert to fraction form
    763,448,053.40/1,145,172,080.10 = 376,027,564.40/x
  3. Step 3: Cross multiply
    763,448,053.40x = 1,145,172,080.10 × 376,027,564.40
  4. Step 4: Simplify right side
    763,448,053.40x = 430,616,268,098,884,672
  5. Step 5: Solve for x
    x = 430,616,268,098,884,672/763,448,053.40
  6. Step 6: Final answer
    x = 564,041,346.60

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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.