Home / 898,598,438.60-1,345,210,272.30-534,905,587.40

Finding the Fourth Proportional to 898,598,438.60, 1,345,210,272.30 and 534,905,587.40

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Solution

The fourth proportional to 898,598,438.60, 1,345,210,272.30 and 534,905,587.40 is: 800,758,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,598,438.60 : 1,345,210,272.30 = 534,905,587.40 : x
  2. Step 2: Convert to fraction form
    898,598,438.60/1,345,210,272.30 = 534,905,587.40/x
  3. Step 3: Cross multiply
    898,598,438.60x = 1,345,210,272.30 × 534,905,587.40
  4. Step 4: Simplify right side
    898,598,438.60x = 719,560,490,881,145,344
  5. Step 5: Solve for x
    x = 719,560,490,881,145,344/898,598,438.60
  6. Step 6: Final answer
    x = 800,758,670.36

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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.