Home / 10,239,746,575.65-15,360,642,887.40-2,778,447,795.90

Finding the Fourth Proportional to 10,239,746,575.65, 15,360,642,887.40 and 2,778,447,795.90

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Solution

The fourth proportional to 10,239,746,575.65, 15,360,642,887.40 and 2,778,447,795.90 is: 4,167,949,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239,746,575.65 : 15,360,642,887.40 = 2,778,447,795.90 : x
  2. Step 2: Convert to fraction form
    10,239,746,575.65/15,360,642,887.40 = 2,778,447,795.90/x
  3. Step 3: Cross multiply
    10,239,746,575.65x = 15,360,642,887.40 × 2,778,447,795.90
  4. Step 4: Simplify right side
    10,239,746,575.65x = 42,678,744,374,103,539,712
  5. Step 5: Solve for x
    x = 42,678,744,374,103,539,712/10,239,746,575.65
  6. Step 6: Final answer
    x = 4,167,949,280.66

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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.