Home / 943,715,785.60-1,415,573,678.40-576,383,766.40

Finding the Fourth Proportional to 943,715,785.60, 1,415,573,678.40 and 576,383,766.40

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Solution

The fourth proportional to 943,715,785.60, 1,415,573,678.40 and 576,383,766.40 is: 864,575,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,715,785.60 : 1,415,573,678.40 = 576,383,766.40 : x
  2. Step 2: Convert to fraction form
    943,715,785.60/1,415,573,678.40 = 576,383,766.40/x
  3. Step 3: Cross multiply
    943,715,785.60x = 1,415,573,678.40 × 576,383,766.40
  4. Step 4: Simplify right side
    943,715,785.60x = 815,913,688,372,894,336
  5. Step 5: Solve for x
    x = 815,913,688,372,894,336/943,715,785.60
  6. Step 6: Final answer
    x = 864,575,649.60

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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.