Home / 445,474,210.74-668,236,851.90-117,941,212.93

Finding the Fourth Proportional to 445,474,210.74, 668,236,851.90 and 117,941,212.93

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Solution

The fourth proportional to 445,474,210.74, 668,236,851.90 and 117,941,212.93 is: 176,918,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,474,210.74 : 668,236,851.90 = 117,941,212.93 : x
  2. Step 2: Convert to fraction form
    445,474,210.74/668,236,851.90 = 117,941,212.93/x
  3. Step 3: Cross multiply
    445,474,210.74x = 668,236,851.90 × 117,941,212.93
  4. Step 4: Simplify right side
    445,474,210.74x = 78,812,664,833,679,888
  5. Step 5: Solve for x
    x = 78,812,664,833,679,888/445,474,210.74
  6. Step 6: Final answer
    x = 176,918,580.10

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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.