Home / 425,489,319.24-636,924,954.81-277,618,477.47

Finding the Fourth Proportional to 425,489,319.24, 636,924,954.81 and 277,618,477.47

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Solution

The fourth proportional to 425,489,319.24, 636,924,954.81 and 277,618,477.47 is: 415,573,618.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,489,319.24 : 636,924,954.81 = 277,618,477.47 : x
  2. Step 2: Convert to fraction form
    425,489,319.24/636,924,954.81 = 277,618,477.47/x
  3. Step 3: Cross multiply
    425,489,319.24x = 636,924,954.81 × 277,618,477.47
  4. Step 4: Simplify right side
    425,489,319.24x = 176,822,136,217,000,768
  5. Step 5: Solve for x
    x = 176,822,136,217,000,768/425,489,319.24
  6. Step 6: Final answer
    x = 415,573,618.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.