Home / 445,926,176.65-668,889,264.98-282,667,501.45

Finding the Fourth Proportional to 445,926,176.65, 668,889,264.98 and 282,667,501.45

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Solution

The fourth proportional to 445,926,176.65, 668,889,264.98 and 282,667,501.45 is: 424,001,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,926,176.65 : 668,889,264.98 = 282,667,501.45 : x
  2. Step 2: Convert to fraction form
    445,926,176.65/668,889,264.98 = 282,667,501.45/x
  3. Step 3: Cross multiply
    445,926,176.65x = 668,889,264.98 × 282,667,501.45
  4. Step 4: Simplify right side
    445,926,176.65x = 189,073,257,278,623,584
  5. Step 5: Solve for x
    x = 189,073,257,278,623,584/445,926,176.65
  6. Step 6: Final answer
    x = 424,001,252.18

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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.