Home / 861,762,511.20-1,293,019,384.08-301,925,962.48

Finding the Fourth Proportional to 861,762,511.20, 1,293,019,384.08 and 301,925,962.48

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Solution

The fourth proportional to 861,762,511.20, 1,293,019,384.08 and 301,925,962.48 is: 453,020,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,762,511.20 : 1,293,019,384.08 = 301,925,962.48 : x
  2. Step 2: Convert to fraction form
    861,762,511.20/1,293,019,384.08 = 301,925,962.48/x
  3. Step 3: Cross multiply
    861,762,511.20x = 1,293,019,384.08 × 301,925,962.48
  4. Step 4: Simplify right side
    861,762,511.20x = 390,396,122,043,650,816
  5. Step 5: Solve for x
    x = 390,396,122,043,650,816/861,762,511.20
  6. Step 6: Final answer
    x = 453,020,544.49

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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.