Home / 1,898,316,280.80-2,847,474,421.20-807,657,631.20

Finding the Fourth Proportional to 1,898,316,280.80, 2,847,474,421.20 and 807,657,631.20

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Solution

The fourth proportional to 1,898,316,280.80, 2,847,474,421.20 and 807,657,631.20 is: 1,211,486,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,316,280.80 : 2,847,474,421.20 = 807,657,631.20 : x
  2. Step 2: Convert to fraction form
    1,898,316,280.80/2,847,474,421.20 = 807,657,631.20/x
  3. Step 3: Cross multiply
    1,898,316,280.80x = 2,847,474,421.20 × 807,657,631.20
  4. Step 4: Simplify right side
    1,898,316,280.80x = 2,299,784,445,928,983,040
  5. Step 5: Solve for x
    x = 2,299,784,445,928,983,040/1,898,316,280.80
  6. Step 6: Final answer
    x = 1,211,486,446.80

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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.