Home / 314,929,129.60-472,393,694.40-308,210,665.60

Finding the Fourth Proportional to 314,929,129.60, 472,393,694.40 and 308,210,665.60

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Solution

The fourth proportional to 314,929,129.60, 472,393,694.40 and 308,210,665.60 is: 462,315,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,129.60 : 472,393,694.40 = 308,210,665.60 : x
  2. Step 2: Convert to fraction form
    314,929,129.60/472,393,694.40 = 308,210,665.60/x
  3. Step 3: Cross multiply
    314,929,129.60x = 472,393,694.40 × 308,210,665.60
  4. Step 4: Simplify right side
    314,929,129.60x = 145,596,774,976,267,008
  5. Step 5: Solve for x
    x = 145,596,774,976,267,008/314,929,129.60
  6. Step 6: Final answer
    x = 462,315,998.40

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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.