Home / 745,832,089.92-1,116,579,845.88-433,989,305.40

Finding the Fourth Proportional to 745,832,089.92, 1,116,579,845.88 and 433,989,305.40

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Solution

The fourth proportional to 745,832,089.92, 1,116,579,845.88 and 433,989,305.40 is: 649,722,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,832,089.92 : 1,116,579,845.88 = 433,989,305.40 : x
  2. Step 2: Convert to fraction form
    745,832,089.92/1,116,579,845.88 = 433,989,305.40/x
  3. Step 3: Cross multiply
    745,832,089.92x = 1,116,579,845.88 × 433,989,305.40
  4. Step 4: Simplify right side
    745,832,089.92x = 484,583,711,737,100,288
  5. Step 5: Solve for x
    x = 484,583,711,737,100,288/745,832,089.92
  6. Step 6: Final answer
    x = 649,722,260.93

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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.