Home / 621,602,534.67-857,807,134.05-339,344,975.46

Finding the Fourth Proportional to 621,602,534.67, 857,807,134.05 and 339,344,975.46

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Solution

The fourth proportional to 621,602,534.67, 857,807,134.05 and 339,344,975.46 is: 468,293,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,602,534.67 : 857,807,134.05 = 339,344,975.46 : x
  2. Step 2: Convert to fraction form
    621,602,534.67/857,807,134.05 = 339,344,975.46/x
  3. Step 3: Cross multiply
    621,602,534.67x = 857,807,134.05 × 339,344,975.46
  4. Step 4: Simplify right side
    621,602,534.67x = 291,092,540,854,882,688
  5. Step 5: Solve for x
    x = 291,092,540,854,882,688/621,602,534.67
  6. Step 6: Final answer
    x = 468,293,683.85

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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.