Home / 314,928,509.60-472,392,764.40-291,970,258.40

Finding the Fourth Proportional to 314,928,509.60, 472,392,764.40 and 291,970,258.40

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Solution

The fourth proportional to 314,928,509.60, 472,392,764.40 and 291,970,258.40 is: 437,955,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,509.60 : 472,392,764.40 = 291,970,258.40 : x
  2. Step 2: Convert to fraction form
    314,928,509.60/472,392,764.40 = 291,970,258.40/x
  3. Step 3: Cross multiply
    314,928,509.60x = 472,392,764.40 × 291,970,258.40
  4. Step 4: Simplify right side
    314,928,509.60x = 137,924,637,488,158,304
  5. Step 5: Solve for x
    x = 137,924,637,488,158,304/314,928,509.60
  6. Step 6: Final answer
    x = 437,955,387.60

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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.