Home / 579,312,000.60-868,968,000.90-142,609,216.20

Finding the Fourth Proportional to 579,312,000.60, 868,968,000.90 and 142,609,216.20

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Solution

The fourth proportional to 579,312,000.60, 868,968,000.90 and 142,609,216.20 is: 213,913,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,312,000.60 : 868,968,000.90 = 142,609,216.20 : x
  2. Step 2: Convert to fraction form
    579,312,000.60/868,968,000.90 = 142,609,216.20/x
  3. Step 3: Cross multiply
    579,312,000.60x = 868,968,000.90 × 142,609,216.20
  4. Step 4: Simplify right side
    579,312,000.60x = 123,922,845,511,229,888
  5. Step 5: Solve for x
    x = 123,922,845,511,229,888/579,312,000.60
  6. Step 6: Final answer
    x = 213,913,824.30

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1.5x scale

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.