Home / 314,768,959.20-472,153,438.80-249,011,992.80

Finding the Fourth Proportional to 314,768,959.20, 472,153,438.80 and 249,011,992.80

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Solution

The fourth proportional to 314,768,959.20, 472,153,438.80 and 249,011,992.80 is: 373,517,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,768,959.20 : 472,153,438.80 = 249,011,992.80 : x
  2. Step 2: Convert to fraction form
    314,768,959.20/472,153,438.80 = 249,011,992.80/x
  3. Step 3: Cross multiply
    314,768,959.20x = 472,153,438.80 × 249,011,992.80
  4. Step 4: Simplify right side
    314,768,959.20x = 117,571,868,702,960,848
  5. Step 5: Solve for x
    x = 117,571,868,702,960,848/314,768,959.20
  6. Step 6: Final answer
    x = 373,517,989.20

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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.