Home / 888,996,972.40-1,333,495,458.60-839,112,377.20

Finding the Fourth Proportional to 888,996,972.40, 1,333,495,458.60 and 839,112,377.20

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Solution

The fourth proportional to 888,996,972.40, 1,333,495,458.60 and 839,112,377.20 is: 1,258,668,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,996,972.40 : 1,333,495,458.60 = 839,112,377.20 : x
  2. Step 2: Convert to fraction form
    888,996,972.40/1,333,495,458.60 = 839,112,377.20/x
  3. Step 3: Cross multiply
    888,996,972.40x = 1,333,495,458.60 × 839,112,377.20
  4. Step 4: Simplify right side
    888,996,972.40x = 1,118,952,544,251,250,176
  5. Step 5: Solve for x
    x = 1,118,952,544,251,250,176/888,996,972.40
  6. Step 6: Final answer
    x = 1,258,668,565.80

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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.