Home / 1,770,129,970.46-2,442,715,325.04-977,158,917.98

Finding the Fourth Proportional to 1,770,129,970.46, 2,442,715,325.04 and 977,158,917.98

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Solution

The fourth proportional to 1,770,129,970.46, 2,442,715,325.04 and 977,158,917.98 is: 1,348,443,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,129,970.46 : 2,442,715,325.04 = 977,158,917.98 : x
  2. Step 2: Convert to fraction form
    1,770,129,970.46/2,442,715,325.04 = 977,158,917.98/x
  3. Step 3: Cross multiply
    1,770,129,970.46x = 2,442,715,325.04 × 977,158,917.98
  4. Step 4: Simplify right side
    1,770,129,970.46x = 2,386,921,063,949,250,560
  5. Step 5: Solve for x
    x = 2,386,921,063,949,250,560/1,770,129,970.46
  6. Step 6: Final answer
    x = 1,348,443,958.23

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1.5x scale

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.