Home / 539,472,517.42-744,472,065-291,953,871.67

Finding the Fourth Proportional to 539,472,517.42, 744,472,065 and 291,953,871.67

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Solution

The fourth proportional to 539,472,517.42, 744,472,065 and 291,953,871.67 is: 402,896,338.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,472,517.42 : 744,472,065 = 291,953,871.67 : x
  2. Step 2: Convert to fraction form
    539,472,517.42/744,472,065 = 291,953,871.67/x
  3. Step 3: Cross multiply
    539,472,517.42x = 744,472,065 × 291,953,871.67
  4. Step 4: Simplify right side
    539,472,517.42x = 217,351,501,726,909,920
  5. Step 5: Solve for x
    x = 217,351,501,726,909,920/539,472,517.42
  6. Step 6: Final answer
    x = 402,896,338.01

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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.