Home / 1,347,520,112.40-2,021,280,168.60-657,071,965.20

Finding the Fourth Proportional to 1,347,520,112.40, 2,021,280,168.60 and 657,071,965.20

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Solution

The fourth proportional to 1,347,520,112.40, 2,021,280,168.60 and 657,071,965.20 is: 985,607,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,520,112.40 : 2,021,280,168.60 = 657,071,965.20 : x
  2. Step 2: Convert to fraction form
    1,347,520,112.40/2,021,280,168.60 = 657,071,965.20/x
  3. Step 3: Cross multiply
    1,347,520,112.40x = 2,021,280,168.60 × 657,071,965.20
  4. Step 4: Simplify right side
    1,347,520,112.40x = 1,328,126,532,601,789,440
  5. Step 5: Solve for x
    x = 1,328,126,532,601,789,440/1,347,520,112.40
  6. Step 6: Final answer
    x = 985,607,947.80

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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.