Home / 1,898,316,281.80-2,847,474,422.70-807,657,632.20

Finding the Fourth Proportional to 1,898,316,281.80, 2,847,474,422.70 and 807,657,632.20

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Solution

The fourth proportional to 1,898,316,281.80, 2,847,474,422.70 and 807,657,632.20 is: 1,211,486,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,316,281.80 : 2,847,474,422.70 = 807,657,632.20 : x
  2. Step 2: Convert to fraction form
    1,898,316,281.80/2,847,474,422.70 = 807,657,632.20/x
  3. Step 3: Cross multiply
    1,898,316,281.80x = 2,847,474,422.70 × 807,657,632.20
  4. Step 4: Simplify right side
    1,898,316,281.80x = 2,299,784,449,987,943,936
  5. Step 5: Solve for x
    x = 2,299,784,449,987,943,936/1,898,316,281.80
  6. Step 6: Final answer
    x = 1,211,486,448.30

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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.