Home / 841,232,541.70-1,260,720,862.77-654,711,697.42

Finding the Fourth Proportional to 841,232,541.70, 1,260,720,862.77 and 654,711,697.42

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Solution

The fourth proportional to 841,232,541.70, 1,260,720,862.77 and 654,711,697.42 is: 981,189,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,232,541.70 : 1,260,720,862.77 = 654,711,697.42 : x
  2. Step 2: Convert to fraction form
    841,232,541.70/1,260,720,862.77 = 654,711,697.42/x
  3. Step 3: Cross multiply
    841,232,541.70x = 1,260,720,862.77 × 654,711,697.42
  4. Step 4: Simplify right side
    841,232,541.70x = 825,408,696,036,953,472
  5. Step 5: Solve for x
    x = 825,408,696,036,953,472/841,232,541.70
  6. Step 6: Final answer
    x = 981,189,689.08

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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.