Home / 740,315,264.92-1,103,854,288.45-719,975,689.45

Finding the Fourth Proportional to 740,315,264.92, 1,103,854,288.45 and 719,975,689.45

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Solution

The fourth proportional to 740,315,264.92, 1,103,854,288.45 and 719,975,689.45 is: 1,073,526,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,315,264.92 : 1,103,854,288.45 = 719,975,689.45 : x
  2. Step 2: Convert to fraction form
    740,315,264.92/1,103,854,288.45 = 719,975,689.45/x
  3. Step 3: Cross multiply
    740,315,264.92x = 1,103,854,288.45 × 719,975,689.45
  4. Step 4: Simplify right side
    740,315,264.92x = 794,748,252,379,128,064
  5. Step 5: Solve for x
    x = 794,748,252,379,128,064/740,315,264.92
  6. Step 6: Final answer
    x = 1,073,526,766.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.