Home / 887,221,888.08-1,224,284,039.88-490,736,344.16

Finding the Fourth Proportional to 887,221,888.08, 1,224,284,039.88 and 490,736,344.16

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Solution

The fourth proportional to 887,221,888.08, 1,224,284,039.88 and 490,736,344.16 is: 677,170,707.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,221,888.08 : 1,224,284,039.88 = 490,736,344.16 : x
  2. Step 2: Convert to fraction form
    887,221,888.08/1,224,284,039.88 = 490,736,344.16/x
  3. Step 3: Cross multiply
    887,221,888.08x = 1,224,284,039.88 × 490,736,344.16
  4. Step 4: Simplify right side
    887,221,888.08x = 600,800,673,944,146,944
  5. Step 5: Solve for x
    x = 600,800,673,944,146,944/887,221,888.08
  6. Step 6: Final answer
    x = 677,170,707.82

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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.