Home / 1,210,560,030.80-1,815,840,046.20-726,432,491.60

Finding the Fourth Proportional to 1,210,560,030.80, 1,815,840,046.20 and 726,432,491.60

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Solution

The fourth proportional to 1,210,560,030.80, 1,815,840,046.20 and 726,432,491.60 is: 1,089,648,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,560,030.80 : 1,815,840,046.20 = 726,432,491.60 : x
  2. Step 2: Convert to fraction form
    1,210,560,030.80/1,815,840,046.20 = 726,432,491.60/x
  3. Step 3: Cross multiply
    1,210,560,030.80x = 1,815,840,046.20 × 726,432,491.60
  4. Step 4: Simplify right side
    1,210,560,030.80x = 1,319,085,209,108,125,184
  5. Step 5: Solve for x
    x = 1,319,085,209,108,125,184/1,210,560,030.80
  6. Step 6: Final answer
    x = 1,089,648,737.40

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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.