Home / 374,304,049.60-561,456,074.40-315,181,566.40

Finding the Fourth Proportional to 374,304,049.60, 561,456,074.40 and 315,181,566.40

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Solution

The fourth proportional to 374,304,049.60, 561,456,074.40 and 315,181,566.40 is: 472,772,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,304,049.60 : 561,456,074.40 = 315,181,566.40 : x
  2. Step 2: Convert to fraction form
    374,304,049.60/561,456,074.40 = 315,181,566.40/x
  3. Step 3: Cross multiply
    374,304,049.60x = 561,456,074.40 × 315,181,566.40
  4. Step 4: Simplify right side
    374,304,049.60x = 176,960,604,994,186,912
  5. Step 5: Solve for x
    x = 176,960,604,994,186,912/374,304,049.60
  6. Step 6: Final answer
    x = 472,772,349.60

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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.