Home / 790,356,836.52-1,090,691,354.52-437,955,641.28

Finding the Fourth Proportional to 790,356,836.52, 1,090,691,354.52 and 437,955,641.28

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Solution

The fourth proportional to 790,356,836.52, 1,090,691,354.52 and 437,955,641.28 is: 604,378,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,356,836.52 : 1,090,691,354.52 = 437,955,641.28 : x
  2. Step 2: Convert to fraction form
    790,356,836.52/1,090,691,354.52 = 437,955,641.28/x
  3. Step 3: Cross multiply
    790,356,836.52x = 1,090,691,354.52 × 437,955,641.28
  4. Step 4: Simplify right side
    790,356,836.52x = 477,674,431,607,358,400
  5. Step 5: Solve for x
    x = 477,674,431,607,358,400/790,356,836.52
  6. Step 6: Final answer
    x = 604,378,186.58

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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.