Home / 500,280,184.47-690,386,720.04-277,276,263.35

Finding the Fourth Proportional to 500,280,184.47, 690,386,720.04 and 277,276,263.35

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Solution

The fourth proportional to 500,280,184.47, 690,386,720.04 and 277,276,263.35 is: 382,641,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,280,184.47 : 690,386,720.04 = 277,276,263.35 : x
  2. Step 2: Convert to fraction form
    500,280,184.47/690,386,720.04 = 277,276,263.35/x
  3. Step 3: Cross multiply
    500,280,184.47x = 690,386,720.04 × 277,276,263.35
  4. Step 4: Simplify right side
    500,280,184.47x = 191,427,849,995,701,824
  5. Step 5: Solve for x
    x = 191,427,849,995,701,824/500,280,184.47
  6. Step 6: Final answer
    x = 382,641,279.70

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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.