Home / 851,427,461.60-1,277,141,192.40-527,260,191.20

Finding the Fourth Proportional to 851,427,461.60, 1,277,141,192.40 and 527,260,191.20

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Solution

The fourth proportional to 851,427,461.60, 1,277,141,192.40 and 527,260,191.20 is: 790,890,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,427,461.60 : 1,277,141,192.40 = 527,260,191.20 : x
  2. Step 2: Convert to fraction form
    851,427,461.60/1,277,141,192.40 = 527,260,191.20/x
  3. Step 3: Cross multiply
    851,427,461.60x = 1,277,141,192.40 × 527,260,191.20
  4. Step 4: Simplify right side
    851,427,461.60x = 673,385,709,294,220,032
  5. Step 5: Solve for x
    x = 673,385,709,294,220,032/851,427,461.60
  6. Step 6: Final answer
    x = 790,890,286.80

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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.