Home / 551,428,011.60-827,142,017.40-491,162,602.20

Finding the Fourth Proportional to 551,428,011.60, 827,142,017.40 and 491,162,602.20

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Solution

The fourth proportional to 551,428,011.60, 827,142,017.40 and 491,162,602.20 is: 736,743,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,428,011.60 : 827,142,017.40 = 491,162,602.20 : x
  2. Step 2: Convert to fraction form
    551,428,011.60/827,142,017.40 = 491,162,602.20/x
  3. Step 3: Cross multiply
    551,428,011.60x = 827,142,017.40 × 491,162,602.20
  4. Step 4: Simplify right side
    551,428,011.60x = 406,261,225,655,141,632
  5. Step 5: Solve for x
    x = 406,261,225,655,141,632/551,428,011.60
  6. Step 6: Final answer
    x = 736,743,903.30

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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.