Home / 870,926,493.40-1,306,389,740.10-739,412,560.60

Finding the Fourth Proportional to 870,926,493.40, 1,306,389,740.10 and 739,412,560.60

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Solution

The fourth proportional to 870,926,493.40, 1,306,389,740.10 and 739,412,560.60 is: 1,109,118,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,926,493.40 : 1,306,389,740.10 = 739,412,560.60 : x
  2. Step 2: Convert to fraction form
    870,926,493.40/1,306,389,740.10 = 739,412,560.60/x
  3. Step 3: Cross multiply
    870,926,493.40x = 1,306,389,740.10 × 739,412,560.60
  4. Step 4: Simplify right side
    870,926,493.40x = 965,960,982,868,909,440
  5. Step 5: Solve for x
    x = 965,960,982,868,909,440/870,926,493.40
  6. Step 6: Final answer
    x = 1,109,118,840.90

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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.