Home / 893,411,987.40-1,337,472,585.90-664,396,345.80

Finding the Fourth Proportional to 893,411,987.40, 1,337,472,585.90 and 664,396,345.80

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Solution

The fourth proportional to 893,411,987.40, 1,337,472,585.90 and 664,396,345.80 is: 994,627,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,411,987.40 : 1,337,472,585.90 = 664,396,345.80 : x
  2. Step 2: Convert to fraction form
    893,411,987.40/1,337,472,585.90 = 664,396,345.80/x
  3. Step 3: Cross multiply
    893,411,987.40x = 1,337,472,585.90 × 664,396,345.80
  4. Step 4: Simplify right side
    893,411,987.40x = 888,611,898,679,636,608
  5. Step 5: Solve for x
    x = 888,611,898,679,636,608/893,411,987.40
  6. Step 6: Final answer
    x = 994,627,239.41

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1.5x scale

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.