Home / 971,348,192.60-1,340,464,516.76-525,311,546.16

Finding the Fourth Proportional to 971,348,192.60, 1,340,464,516.76 and 525,311,546.16

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Solution

The fourth proportional to 971,348,192.60, 1,340,464,516.76 and 525,311,546.16 is: 724,932,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,348,192.60 : 1,340,464,516.76 = 525,311,546.16 : x
  2. Step 2: Convert to fraction form
    971,348,192.60/1,340,464,516.76 = 525,311,546.16/x
  3. Step 3: Cross multiply
    971,348,192.60x = 1,340,464,516.76 × 525,311,546.16
  4. Step 4: Simplify right side
    971,348,192.60x = 704,161,487,871,812,864
  5. Step 5: Solve for x
    x = 704,161,487,871,812,864/971,348,192.60
  6. Step 6: Final answer
    x = 724,932,102.86

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.