Home / 8,931,509,547.20-13,397,264,320.80-3,689,375,523.20

Finding the Fourth Proportional to 8,931,509,547.20, 13,397,264,320.80 and 3,689,375,523.20

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Solution

The fourth proportional to 8,931,509,547.20, 13,397,264,320.80 and 3,689,375,523.20 is: 5,534,063,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,509,547.20 : 13,397,264,320.80 = 3,689,375,523.20 : x
  2. Step 2: Convert to fraction form
    8,931,509,547.20/13,397,264,320.80 = 3,689,375,523.20/x
  3. Step 3: Cross multiply
    8,931,509,547.20x = 13,397,264,320.80 × 3,689,375,523.20
  4. Step 4: Simplify right side
    8,931,509,547.20x = 49,427,539,063,000,186,880
  5. Step 5: Solve for x
    x = 49,427,539,063,000,186,880/8,931,509,547.20
  6. Step 6: Final answer
    x = 5,534,063,284.80

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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.