Home / 1,088,971,932.60-1,634,095,628.10-398,948,938.20

Finding the Fourth Proportional to 1,088,971,932.60, 1,634,095,628.10 and 398,948,938.20

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Solution

The fourth proportional to 1,088,971,932.60, 1,634,095,628.10 and 398,948,938.20 is: 598,657,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,971,932.60 : 1,634,095,628.10 = 398,948,938.20 : x
  2. Step 2: Convert to fraction form
    1,088,971,932.60/1,634,095,628.10 = 398,948,938.20/x
  3. Step 3: Cross multiply
    1,088,971,932.60x = 1,634,095,628.10 × 398,948,938.20
  4. Step 4: Simplify right side
    1,088,971,932.60x = 651,920,715,747,757,056
  5. Step 5: Solve for x
    x = 651,920,715,747,757,056/1,088,971,932.60
  6. Step 6: Final answer
    x = 598,657,041.78

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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.