Home / 885,740,986.10-1,328,611,479.15-656,158,474.10

Finding the Fourth Proportional to 885,740,986.10, 1,328,611,479.15 and 656,158,474.10

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Solution

The fourth proportional to 885,740,986.10, 1,328,611,479.15 and 656,158,474.10 is: 984,237,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,740,986.10 : 1,328,611,479.15 = 656,158,474.10 : x
  2. Step 2: Convert to fraction form
    885,740,986.10/1,328,611,479.15 = 656,158,474.10/x
  3. Step 3: Cross multiply
    885,740,986.10x = 1,328,611,479.15 × 656,158,474.10
  4. Step 4: Simplify right side
    885,740,986.10x = 871,779,680,830,808,064
  5. Step 5: Solve for x
    x = 871,779,680,830,808,064/885,740,986.10
  6. Step 6: Final answer
    x = 984,237,711.15

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Similar ratio
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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.