Home / 676,578,832.80-1,014,980,223.60-288,587,536.80

Finding the Fourth Proportional to 676,578,832.80, 1,014,980,223.60 and 288,587,536.80

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Solution

The fourth proportional to 676,578,832.80, 1,014,980,223.60 and 288,587,536.80 is: 432,929,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,578,832.80 : 1,014,980,223.60 = 288,587,536.80 : x
  2. Step 2: Convert to fraction form
    676,578,832.80/1,014,980,223.60 = 288,587,536.80/x
  3. Step 3: Cross multiply
    676,578,832.80x = 1,014,980,223.60 × 288,587,536.80
  4. Step 4: Simplify right side
    676,578,832.80x = 292,910,642,629,437,248
  5. Step 5: Solve for x
    x = 292,910,642,629,437,248/676,578,832.80
  6. Step 6: Final answer
    x = 432,929,066.69

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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.