Home / 804,818,687.60-1,207,228,031.40-558,655,216.40

Finding the Fourth Proportional to 804,818,687.60, 1,207,228,031.40 and 558,655,216.40

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Solution

The fourth proportional to 804,818,687.60, 1,207,228,031.40 and 558,655,216.40 is: 837,982,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,818,687.60 : 1,207,228,031.40 = 558,655,216.40 : x
  2. Step 2: Convert to fraction form
    804,818,687.60/1,207,228,031.40 = 558,655,216.40/x
  3. Step 3: Cross multiply
    804,818,687.60x = 1,207,228,031.40 × 558,655,216.40
  4. Step 4: Simplify right side
    804,818,687.60x = 674,424,237,125,912,960
  5. Step 5: Solve for x
    x = 674,424,237,125,912,960/804,818,687.60
  6. Step 6: Final answer
    x = 837,982,824.60

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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.