Home / 745,057,856.76-1,020,733,894.11-717,131,090.04

Finding the Fourth Proportional to 745,057,856.76, 1,020,733,894.11 and 717,131,090.04

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Solution

The fourth proportional to 745,057,856.76, 1,020,733,894.11 and 717,131,090.04 is: 982,474,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,057,856.76 : 1,020,733,894.11 = 717,131,090.04 : x
  2. Step 2: Convert to fraction form
    745,057,856.76/1,020,733,894.11 = 717,131,090.04/x
  3. Step 3: Cross multiply
    745,057,856.76x = 1,020,733,894.11 × 717,131,090.04
  4. Step 4: Simplify right side
    745,057,856.76x = 732,000,010,123,878,144
  5. Step 5: Solve for x
    x = 732,000,010,123,878,144/745,057,856.76
  6. Step 6: Final answer
    x = 982,474,050.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.