Home / 10,239,746,543.65-15,360,642,839.40-2,778,447,763.90

Finding the Fourth Proportional to 10,239,746,543.65, 15,360,642,839.40 and 2,778,447,763.90

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Solution

The fourth proportional to 10,239,746,543.65, 15,360,642,839.40 and 2,778,447,763.90 is: 4,167,949,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239,746,543.65 : 15,360,642,839.40 = 2,778,447,763.90 : x
  2. Step 2: Convert to fraction form
    10,239,746,543.65/15,360,642,839.40 = 2,778,447,763.90/x
  3. Step 3: Cross multiply
    10,239,746,543.65x = 15,360,642,839.40 × 2,778,447,763.90
  4. Step 4: Simplify right side
    10,239,746,543.65x = 42,678,743,749,197,479,936
  5. Step 5: Solve for x
    x = 42,678,743,749,197,479,936/10,239,746,543.65
  6. Step 6: Final answer
    x = 4,167,949,232.66

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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.