Home / 849,354,454.32-1,172,034,387.72-472,982,601.84

Finding the Fourth Proportional to 849,354,454.32, 1,172,034,387.72 and 472,982,601.84

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Solution

The fourth proportional to 849,354,454.32, 1,172,034,387.72 and 472,982,601.84 is: 652,674,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,354,454.32 : 1,172,034,387.72 = 472,982,601.84 : x
  2. Step 2: Convert to fraction form
    849,354,454.32/1,172,034,387.72 = 472,982,601.84/x
  3. Step 3: Cross multiply
    849,354,454.32x = 1,172,034,387.72 × 472,982,601.84
  4. Step 4: Simplify right side
    849,354,454.32x = 554,351,874,149,756,928
  5. Step 5: Solve for x
    x = 554,351,874,149,756,928/849,354,454.32
  6. Step 6: Final answer
    x = 652,674,359.13

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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.