Home / 832,705,459.20-1,248,162,393.60-314,935,833.60

Finding the Fourth Proportional to 832,705,459.20, 1,248,162,393.60 and 314,935,833.60

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Solution

The fourth proportional to 832,705,459.20, 1,248,162,393.60 and 314,935,833.60 is: 472,064,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,705,459.20 : 1,248,162,393.60 = 314,935,833.60 : x
  2. Step 2: Convert to fraction form
    832,705,459.20/1,248,162,393.60 = 314,935,833.60/x
  3. Step 3: Cross multiply
    832,705,459.20x = 1,248,162,393.60 × 314,935,833.60
  4. Step 4: Simplify right side
    832,705,459.20x = 393,091,063,896,587,328
  5. Step 5: Solve for x
    x = 393,091,063,896,587,328/832,705,459.20
  6. Step 6: Final answer
    x = 472,064,953.52

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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.