Home / 688,766,294,444.80-1,033,149,441,667.20-679,478,689,811.20

Finding the Fourth Proportional to 688,766,294,444.80, 1,033,149,441,667.20 and 679,478,689,811.20

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Solution

The fourth proportional to 688,766,294,444.80, 1,033,149,441,667.20 and 679,478,689,811.20 is: 1,019,218,034,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,766,294,444.80 : 1,033,149,441,667.20 = 679,478,689,811.20 : x
  2. Step 2: Convert to fraction form
    688,766,294,444.80/1,033,149,441,667.20 = 679,478,689,811.20/x
  3. Step 3: Cross multiply
    688,766,294,444.80x = 1,033,149,441,667.20 × 679,478,689,811.20
  4. Step 4: Simplify right side
    688,766,294,444.80x = 702,003,029,003,201,706,721,280
  5. Step 5: Solve for x
    x = 702,003,029,003,201,706,721,280/688,766,294,444.80
  6. Step 6: Final answer
    x = 1,019,218,034,716.80

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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.