Home / 1,368,581,973.20-2,052,117,132.60-447,984,443.60

Finding the Fourth Proportional to 1,368,581,973.20, 2,052,117,132.60 and 447,984,443.60

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Solution

The fourth proportional to 1,368,581,973.20, 2,052,117,132.60 and 447,984,443.60 is: 671,729,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,581,973.20 : 2,052,117,132.60 = 447,984,443.60 : x
  2. Step 2: Convert to fraction form
    1,368,581,973.20/2,052,117,132.60 = 447,984,443.60/x
  3. Step 3: Cross multiply
    1,368,581,973.20x = 2,052,117,132.60 × 447,984,443.60
  4. Step 4: Simplify right side
    1,368,581,973.20x = 919,316,551,849,838,464
  5. Step 5: Solve for x
    x = 919,316,551,849,838,464/1,368,581,973.20
  6. Step 6: Final answer
    x = 671,729,256.89

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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.