Home / 797,943,141.60-1,196,914,712.40-763,930,917.60

Finding the Fourth Proportional to 797,943,141.60, 1,196,914,712.40 and 763,930,917.60

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Solution

The fourth proportional to 797,943,141.60, 1,196,914,712.40 and 763,930,917.60 is: 1,145,896,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,943,141.60 : 1,196,914,712.40 = 763,930,917.60 : x
  2. Step 2: Convert to fraction form
    797,943,141.60/1,196,914,712.40 = 763,930,917.60/x
  3. Step 3: Cross multiply
    797,943,141.60x = 1,196,914,712.40 × 763,930,917.60
  4. Step 4: Simplify right side
    797,943,141.60x = 914,360,154,532,672,256
  5. Step 5: Solve for x
    x = 914,360,154,532,672,256/797,943,141.60
  6. Step 6: Final answer
    x = 1,145,896,376.40

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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.