Home / 1,306,680,625-1,803,196,459.02-711,970,031.98

Finding the Fourth Proportional to 1,306,680,625, 1,803,196,459.02 and 711,970,031.98

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Solution

The fourth proportional to 1,306,680,625, 1,803,196,459.02 and 711,970,031.98 is: 982,506,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,680,625 : 1,803,196,459.02 = 711,970,031.98 : x
  2. Step 2: Convert to fraction form
    1,306,680,625/1,803,196,459.02 = 711,970,031.98/x
  3. Step 3: Cross multiply
    1,306,680,625x = 1,803,196,459.02 × 711,970,031.98
  4. Step 4: Simplify right side
    1,306,680,625x = 1,283,821,840,594,692,096
  5. Step 5: Solve for x
    x = 1,283,821,840,594,692,096/1,306,680,625
  6. Step 6: Final answer
    x = 982,506,219.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.