Home / 353,280,407,300.11-530,074,748,068.27-123,712,510,560.43

Finding the Fourth Proportional to 353,280,407,300.11, 530,074,748,068.27 and 123,712,510,560.43

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Solution

The fourth proportional to 353,280,407,300.11, 530,074,748,068.27 and 123,712,510,560.43 is: 185,622,741,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,280,407,300.11 : 530,074,748,068.27 = 123,712,510,560.43 : x
  2. Step 2: Convert to fraction form
    353,280,407,300.11/530,074,748,068.27 = 123,712,510,560.43/x
  3. Step 3: Cross multiply
    353,280,407,300.11x = 530,074,748,068.27 × 123,712,510,560.43
  4. Step 4: Simplify right side
    353,280,407,300.11x = 65,576,877,868,213,124,202,496
  5. Step 5: Solve for x
    x = 65,576,877,868,213,124,202,496/353,280,407,300.11
  6. Step 6: Final answer
    x = 185,622,741,915.90

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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.