Home / 888,996,980.90-1,333,495,471.35-839,112,385.70

Finding the Fourth Proportional to 888,996,980.90, 1,333,495,471.35 and 839,112,385.70

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Solution

The fourth proportional to 888,996,980.90, 1,333,495,471.35 and 839,112,385.70 is: 1,258,668,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,996,980.90 : 1,333,495,471.35 = 839,112,385.70 : x
  2. Step 2: Convert to fraction form
    888,996,980.90/1,333,495,471.35 = 839,112,385.70/x
  3. Step 3: Cross multiply
    888,996,980.90x = 1,333,495,471.35 × 839,112,385.70
  4. Step 4: Simplify right side
    888,996,980.90x = 1,118,952,566,284,644,480
  5. Step 5: Solve for x
    x = 1,118,952,566,284,644,480/888,996,980.90
  6. Step 6: Final answer
    x = 1,258,668,578.55

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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.