Home / 52,420,791,254.40-78,631,186,881.60-19,320,094,857.60

Finding the Fourth Proportional to 52,420,791,254.40, 78,631,186,881.60 and 19,320,094,857.60

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Solution

The fourth proportional to 52,420,791,254.40, 78,631,186,881.60 and 19,320,094,857.60 is: 28,980,142,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,420,791,254.40 : 78,631,186,881.60 = 19,320,094,857.60 : x
  2. Step 2: Convert to fraction form
    52,420,791,254.40/78,631,186,881.60 = 19,320,094,857.60/x
  3. Step 3: Cross multiply
    52,420,791,254.40x = 78,631,186,881.60 × 19,320,094,857.60
  4. Step 4: Simplify right side
    52,420,791,254.40x = 1,519,161,989,318,184,796,160
  5. Step 5: Solve for x
    x = 1,519,161,989,318,184,796,160/52,420,791,254.40
  6. Step 6: Final answer
    x = 28,980,142,286.40

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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.