Home / 749,518,457.90-1,034,367,795.38-414,990,987.53

Finding the Fourth Proportional to 749,518,457.90, 1,034,367,795.38 and 414,990,987.53

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Solution

The fourth proportional to 749,518,457.90, 1,034,367,795.38 and 414,990,987.53 is: 572,705,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,518,457.90 : 1,034,367,795.38 = 414,990,987.53 : x
  2. Step 2: Convert to fraction form
    749,518,457.90/1,034,367,795.38 = 414,990,987.53/x
  3. Step 3: Cross multiply
    749,518,457.90x = 1,034,367,795.38 × 414,990,987.53
  4. Step 4: Simplify right side
    749,518,457.90x = 429,253,312,869,840,832
  5. Step 5: Solve for x
    x = 429,253,312,869,840,832/749,518,457.90
  6. Step 6: Final answer
    x = 572,705,459.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.