Home / 688,748,707,835.40-1,033,123,061,753.10-670,152,524,363.40

Finding the Fourth Proportional to 688,748,707,835.40, 1,033,123,061,753.10 and 670,152,524,363.40

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Solution

The fourth proportional to 688,748,707,835.40, 1,033,123,061,753.10 and 670,152,524,363.40 is: 1,005,228,786,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,748,707,835.40 : 1,033,123,061,753.10 = 670,152,524,363.40 : x
  2. Step 2: Convert to fraction form
    688,748,707,835.40/1,033,123,061,753.10 = 670,152,524,363.40/x
  3. Step 3: Cross multiply
    688,748,707,835.40x = 1,033,123,061,753.10 × 670,152,524,363.40
  4. Step 4: Simplify right side
    688,748,707,835.40x = 692,350,027,811,884,711,804,928
  5. Step 5: Solve for x
    x = 692,350,027,811,884,711,804,928/688,748,707,835.40
  6. Step 6: Final answer
    x = 1,005,228,786,545.10

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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.