Home / 688,748,707,851.90-1,033,123,061,777.90-670,152,524,379.90

Finding the Fourth Proportional to 688,748,707,851.90, 1,033,123,061,777.90 and 670,152,524,379.90

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Solution

The fourth proportional to 688,748,707,851.90, 1,033,123,061,777.90 and 670,152,524,379.90 is: 1,005,228,786,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,748,707,851.90 : 1,033,123,061,777.90 = 670,152,524,379.90 : x
  2. Step 2: Convert to fraction form
    688,748,707,851.90/1,033,123,061,777.90 = 670,152,524,379.90/x
  3. Step 3: Cross multiply
    688,748,707,851.90x = 1,033,123,061,777.90 × 670,152,524,379.90
  4. Step 4: Simplify right side
    688,748,707,851.90x = 692,350,027,845,551,081,390,080
  5. Step 5: Solve for x
    x = 692,350,027,845,551,081,390,080/688,748,707,851.90
  6. Step 6: Final answer
    x = 1,005,228,786,569.90

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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.