Home / 888,758,851.50-1,226,499,876.99-512,407,994.22

Finding the Fourth Proportional to 888,758,851.50, 1,226,499,876.99 and 512,407,994.22

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Solution

The fourth proportional to 888,758,851.50, 1,226,499,876.99 and 512,407,994.22 is: 707,130,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,758,851.50 : 1,226,499,876.99 = 512,407,994.22 : x
  2. Step 2: Convert to fraction form
    888,758,851.50/1,226,499,876.99 = 512,407,994.22/x
  3. Step 3: Cross multiply
    888,758,851.50x = 1,226,499,876.99 × 512,407,994.22
  4. Step 4: Simplify right side
    888,758,851.50x = 628,468,341,879,522,688
  5. Step 5: Solve for x
    x = 628,468,341,879,522,688/888,758,851.50
  6. Step 6: Final answer
    x = 707,130,332.17

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1.5x scale

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.