Home / 804,818,688.60-1,207,228,032.90-558,655,217.40

Finding the Fourth Proportional to 804,818,688.60, 1,207,228,032.90 and 558,655,217.40

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Solution

The fourth proportional to 804,818,688.60, 1,207,228,032.90 and 558,655,217.40 is: 837,982,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,818,688.60 : 1,207,228,032.90 = 558,655,217.40 : x
  2. Step 2: Convert to fraction form
    804,818,688.60/1,207,228,032.90 = 558,655,217.40/x
  3. Step 3: Cross multiply
    804,818,688.60x = 1,207,228,032.90 × 558,655,217.40
  4. Step 4: Simplify right side
    804,818,688.60x = 674,424,239,171,123,840
  5. Step 5: Solve for x
    x = 674,424,239,171,123,840/804,818,688.60
  6. Step 6: Final answer
    x = 837,982,826.10

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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.