Home / 745,686,113.16-1,029,487,757.62-662,950,983.24

Finding the Fourth Proportional to 745,686,113.16, 1,029,487,757.62 and 662,950,983.24

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Solution

The fourth proportional to 745,686,113.16, 1,029,487,757.62 and 662,950,983.24 is: 915,264,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,686,113.16 : 1,029,487,757.62 = 662,950,983.24 : x
  2. Step 2: Convert to fraction form
    745,686,113.16/1,029,487,757.62 = 662,950,983.24/x
  3. Step 3: Cross multiply
    745,686,113.16x = 1,029,487,757.62 × 662,950,983.24
  4. Step 4: Simplify right side
    745,686,113.16x = 682,499,921,147,721,856
  5. Step 5: Solve for x
    x = 682,499,921,147,721,856/745,686,113.16
  6. Step 6: Final answer
    x = 915,264,357.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.