Home / 1,008,609,088.10-1,512,913,632.15-394,989,376.10

Finding the Fourth Proportional to 1,008,609,088.10, 1,512,913,632.15 and 394,989,376.10

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Solution

The fourth proportional to 1,008,609,088.10, 1,512,913,632.15 and 394,989,376.10 is: 592,484,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,609,088.10 : 1,512,913,632.15 = 394,989,376.10 : x
  2. Step 2: Convert to fraction form
    1,008,609,088.10/1,512,913,632.15 = 394,989,376.10/x
  3. Step 3: Cross multiply
    1,008,609,088.10x = 1,512,913,632.15 × 394,989,376.10
  4. Step 4: Simplify right side
    1,008,609,088.10x = 597,584,811,656,113,536
  5. Step 5: Solve for x
    x = 597,584,811,656,113,536/1,008,609,088.10
  6. Step 6: Final answer
    x = 592,484,064.15

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Double scale
Find fourth proportional to 1,008,609,089.10, 1,512,913,633.65 and 394,989,377.10
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.