Home / 940,581,781.90-1,409,172,061.65-804,532,885.90

Finding the Fourth Proportional to 940,581,781.90, 1,409,172,061.65 and 804,532,885.90

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Solution

The fourth proportional to 940,581,781.90, 1,409,172,061.65 and 804,532,885.90 is: 1,205,344,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,581,781.90 : 1,409,172,061.65 = 804,532,885.90 : x
  2. Step 2: Convert to fraction form
    940,581,781.90/1,409,172,061.65 = 804,532,885.90/x
  3. Step 3: Cross multiply
    940,581,781.90x = 1,409,172,061.65 × 804,532,885.90
  4. Step 4: Simplify right side
    940,581,781.90x = 1,133,725,265,488,927,232
  5. Step 5: Solve for x
    x = 1,133,725,265,488,927,232/940,581,781.90
  6. Step 6: Final answer
    x = 1,205,344,699.74

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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.