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Finding the Fourth Proportional to 659,736,700.58, 910,411,702.98 and 366,400,164.26

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Solution

The fourth proportional to 659,736,700.58, 910,411,702.98 and 366,400,164.26 is: 505,618,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,736,700.58 : 910,411,702.98 = 366,400,164.26 : x
  2. Step 2: Convert to fraction form
    659,736,700.58/910,411,702.98 = 366,400,164.26/x
  3. Step 3: Cross multiply
    659,736,700.58x = 910,411,702.98 × 366,400,164.26
  4. Step 4: Simplify right side
    659,736,700.58x = 333,574,997,516,098,304
  5. Step 5: Solve for x
    x = 333,574,997,516,098,304/659,736,700.58
  6. Step 6: Final answer
    x = 505,618,373.55

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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.