Home / 726,985,254.56-1,090,095,244.32-497,020,105.12

Finding the Fourth Proportional to 726,985,254.56, 1,090,095,244.32 and 497,020,105.12

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Solution

The fourth proportional to 726,985,254.56, 1,090,095,244.32 and 497,020,105.12 is: 745,268,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,985,254.56 : 1,090,095,244.32 = 497,020,105.12 : x
  2. Step 2: Convert to fraction form
    726,985,254.56/1,090,095,244.32 = 497,020,105.12/x
  3. Step 3: Cross multiply
    726,985,254.56x = 1,090,095,244.32 × 497,020,105.12
  4. Step 4: Simplify right side
    726,985,254.56x = 541,799,252,922,738,432
  5. Step 5: Solve for x
    x = 541,799,252,922,738,432/726,985,254.56
  6. Step 6: Final answer
    x = 745,268,558.78

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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.