Home / 745,039,934.10-1,117,559,901.15-729,734,433.30

Finding the Fourth Proportional to 745,039,934.10, 1,117,559,901.15 and 729,734,433.30

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Solution

The fourth proportional to 745,039,934.10, 1,117,559,901.15 and 729,734,433.30 is: 1,094,601,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,039,934.10 : 1,117,559,901.15 = 729,734,433.30 : x
  2. Step 2: Convert to fraction form
    745,039,934.10/1,117,559,901.15 = 729,734,433.30/x
  3. Step 3: Cross multiply
    745,039,934.10x = 1,117,559,901.15 × 729,734,433.30
  4. Step 4: Simplify right side
    745,039,934.10x = 815,521,941,144,499,328
  5. Step 5: Solve for x
    x = 815,521,941,144,499,328/745,039,934.10
  6. Step 6: Final answer
    x = 1,094,601,649.95

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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.