Home / 711,118,930.40-1,068,945,877.20-670,304,261.60

Finding the Fourth Proportional to 711,118,930.40, 1,068,945,877.20 and 670,304,261.60

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Solution

The fourth proportional to 711,118,930.40, 1,068,945,877.20 and 670,304,261.60 is: 1,007,593,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,118,930.40 : 1,068,945,877.20 = 670,304,261.60 : x
  2. Step 2: Convert to fraction form
    711,118,930.40/1,068,945,877.20 = 670,304,261.60/x
  3. Step 3: Cross multiply
    711,118,930.40x = 1,068,945,877.20 × 670,304,261.60
  4. Step 4: Simplify right side
    711,118,930.40x = 716,518,976,906,910,336
  5. Step 5: Solve for x
    x = 716,518,976,906,910,336/711,118,930.40
  6. Step 6: Final answer
    x = 1,007,593,731.90

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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.