Home / 916,282,236.65-1,374,846,053.10-418,445,366.91

Finding the Fourth Proportional to 916,282,236.65, 1,374,846,053.10 and 418,445,366.91

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Solution

The fourth proportional to 916,282,236.65, 1,374,846,053.10 and 418,445,366.91 is: 627,861,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,282,236.65 : 1,374,846,053.10 = 418,445,366.91 : x
  2. Step 2: Convert to fraction form
    916,282,236.65/1,374,846,053.10 = 418,445,366.91/x
  3. Step 3: Cross multiply
    916,282,236.65x = 1,374,846,053.10 × 418,445,366.91
  4. Step 4: Simplify right side
    916,282,236.65x = 575,297,961,133,097,984
  5. Step 5: Solve for x
    x = 575,297,961,133,097,984/916,282,236.65
  6. Step 6: Final answer
    x = 627,861,087.03

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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.