Home / 538,926,810.30-808,390,215.45-484,400,963.70

Finding the Fourth Proportional to 538,926,810.30, 808,390,215.45 and 484,400,963.70

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Solution

The fourth proportional to 538,926,810.30, 808,390,215.45 and 484,400,963.70 is: 726,601,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,926,810.30 : 808,390,215.45 = 484,400,963.70 : x
  2. Step 2: Convert to fraction form
    538,926,810.30/808,390,215.45 = 484,400,963.70/x
  3. Step 3: Cross multiply
    538,926,810.30x = 808,390,215.45 × 484,400,963.70
  4. Step 4: Simplify right side
    538,926,810.30x = 391,584,999,409,630,656
  5. Step 5: Solve for x
    x = 391,584,999,409,630,656/538,926,810.30
  6. Step 6: Final answer
    x = 726,601,445.55

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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.