Home / 708,751,427.20-1,063,127,140.80-191,180,867.20

Finding the Fourth Proportional to 708,751,427.20, 1,063,127,140.80 and 191,180,867.20

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Solution

The fourth proportional to 708,751,427.20, 1,063,127,140.80 and 191,180,867.20 is: 286,771,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,751,427.20 : 1,063,127,140.80 = 191,180,867.20 : x
  2. Step 2: Convert to fraction form
    708,751,427.20/1,063,127,140.80 = 191,180,867.20/x
  3. Step 3: Cross multiply
    708,751,427.20x = 1,063,127,140.80 × 191,180,867.20
  4. Step 4: Simplify right side
    708,751,427.20x = 203,249,568,722,000,480
  5. Step 5: Solve for x
    x = 203,249,568,722,000,480/708,751,427.20
  6. Step 6: Final answer
    x = 286,771,300.80

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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.