Home / 463,768,959.20-695,653,438.80-140,668,901.60

Finding the Fourth Proportional to 463,768,959.20, 695,653,438.80 and 140,668,901.60

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Solution

The fourth proportional to 463,768,959.20, 695,653,438.80 and 140,668,901.60 is: 211,003,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,768,959.20 : 695,653,438.80 = 140,668,901.60 : x
  2. Step 2: Convert to fraction form
    463,768,959.20/695,653,438.80 = 140,668,901.60/x
  3. Step 3: Cross multiply
    463,768,959.20x = 695,653,438.80 × 140,668,901.60
  4. Step 4: Simplify right side
    463,768,959.20x = 97,856,805,130,258,816
  5. Step 5: Solve for x
    x = 97,856,805,130,258,816/463,768,959.20
  6. Step 6: Final answer
    x = 211,003,352.40

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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.