Home / 40,815,360,764.80-61,223,041,147.20-30,947,280,841.60

Finding the Fourth Proportional to 40,815,360,764.80, 61,223,041,147.20 and 30,947,280,841.60

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Solution

The fourth proportional to 40,815,360,764.80, 61,223,041,147.20 and 30,947,280,841.60 is: 46,420,921,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815,360,764.80 : 61,223,041,147.20 = 30,947,280,841.60 : x
  2. Step 2: Convert to fraction form
    40,815,360,764.80/61,223,041,147.20 = 30,947,280,841.60/x
  3. Step 3: Cross multiply
    40,815,360,764.80x = 61,223,041,147.20 × 30,947,280,841.60
  4. Step 4: Simplify right side
    40,815,360,764.80x = 1,894,686,648,359,230,898,176
  5. Step 5: Solve for x
    x = 1,894,686,648,359,230,898,176/40,815,360,764.80
  6. Step 6: Final answer
    x = 46,420,921,262.40

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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.