Home / 1,489,657,079.40-2,234,485,619.10-1,326,079,539.60

Finding the Fourth Proportional to 1,489,657,079.40, 2,234,485,619.10 and 1,326,079,539.60

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Solution

The fourth proportional to 1,489,657,079.40, 2,234,485,619.10 and 1,326,079,539.60 is: 1,989,119,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,657,079.40 : 2,234,485,619.10 = 1,326,079,539.60 : x
  2. Step 2: Convert to fraction form
    1,489,657,079.40/2,234,485,619.10 = 1,326,079,539.60/x
  3. Step 3: Cross multiply
    1,489,657,079.40x = 2,234,485,619.10 × 1,326,079,539.60
  4. Step 4: Simplify right side
    1,489,657,079.40x = 2,963,105,661,018,948,608
  5. Step 5: Solve for x
    x = 2,963,105,661,018,948,608/1,489,657,079.40
  6. Step 6: Final answer
    x = 1,989,119,309.40

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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.