Home / 743,281,067.18-1,025,754,841.79-425,802,671.87

Finding the Fourth Proportional to 743,281,067.18, 1,025,754,841.79 and 425,802,671.87

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Solution

The fourth proportional to 743,281,067.18, 1,025,754,841.79 and 425,802,671.87 is: 587,623,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,281,067.18 : 1,025,754,841.79 = 425,802,671.87 : x
  2. Step 2: Convert to fraction form
    743,281,067.18/1,025,754,841.79 = 425,802,671.87/x
  3. Step 3: Cross multiply
    743,281,067.18x = 1,025,754,841.79 × 425,802,671.87
  4. Step 4: Simplify right side
    743,281,067.18x = 436,769,152,317,771,136
  5. Step 5: Solve for x
    x = 436,769,152,317,771,136/743,281,067.18
  6. Step 6: Final answer
    x = 587,623,136.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.