Home / 747,159,424.60-1,120,739,136.90-402,785,656.60

Finding the Fourth Proportional to 747,159,424.60, 1,120,739,136.90 and 402,785,656.60

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Solution

The fourth proportional to 747,159,424.60, 1,120,739,136.90 and 402,785,656.60 is: 604,178,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,159,424.60 : 1,120,739,136.90 = 402,785,656.60 : x
  2. Step 2: Convert to fraction form
    747,159,424.60/1,120,739,136.90 = 402,785,656.60/x
  3. Step 3: Cross multiply
    747,159,424.60x = 1,120,739,136.90 × 402,785,656.60
  4. Step 4: Simplify right side
    747,159,424.60x = 451,417,649,133,583,872
  5. Step 5: Solve for x
    x = 451,417,649,133,583,872/747,159,424.60
  6. Step 6: Final answer
    x = 604,178,484.90

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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.