Home / 633,039,235.40-949,558,853.10-391,174,531.40

Finding the Fourth Proportional to 633,039,235.40, 949,558,853.10 and 391,174,531.40

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Solution

The fourth proportional to 633,039,235.40, 949,558,853.10 and 391,174,531.40 is: 586,761,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,039,235.40 : 949,558,853.10 = 391,174,531.40 : x
  2. Step 2: Convert to fraction form
    633,039,235.40/949,558,853.10 = 391,174,531.40/x
  3. Step 3: Cross multiply
    633,039,235.40x = 949,558,853.10 × 391,174,531.40
  4. Step 4: Simplify right side
    633,039,235.40x = 371,443,239,398,113,920
  5. Step 5: Solve for x
    x = 371,443,239,398,113,920/633,039,235.40
  6. Step 6: Final answer
    x = 586,761,797.10

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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.