Home / 402,926,543.60-604,389,815.40-130,324,866.80

Finding the Fourth Proportional to 402,926,543.60, 604,389,815.40 and 130,324,866.80

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Solution

The fourth proportional to 402,926,543.60, 604,389,815.40 and 130,324,866.80 is: 195,487,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,926,543.60 : 604,389,815.40 = 130,324,866.80 : x
  2. Step 2: Convert to fraction form
    402,926,543.60/604,389,815.40 = 130,324,866.80/x
  3. Step 3: Cross multiply
    402,926,543.60x = 604,389,815.40 × 130,324,866.80
  4. Step 4: Simplify right side
    402,926,543.60x = 78,767,022,187,281,584
  5. Step 5: Solve for x
    x = 78,767,022,187,281,584/402,926,543.60
  6. Step 6: Final answer
    x = 195,487,300.20

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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.