Home / 500,280,426.74-690,387,054.38-277,276,505.91

Finding the Fourth Proportional to 500,280,426.74, 690,387,054.38 and 277,276,505.91

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Solution

The fourth proportional to 500,280,426.74, 690,387,054.38 and 277,276,505.91 is: 382,641,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,280,426.74 : 690,387,054.38 = 277,276,505.91 : x
  2. Step 2: Convert to fraction form
    500,280,426.74/690,387,054.38 = 277,276,505.91/x
  3. Step 3: Cross multiply
    500,280,426.74x = 690,387,054.38 × 277,276,505.91
  4. Step 4: Simplify right side
    500,280,426.74x = 191,428,110,162,597,184
  5. Step 5: Solve for x
    x = 191,428,110,162,597,184/500,280,426.74
  6. Step 6: Final answer
    x = 382,641,614.45

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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.