Home / 642,316,948,272.45-963,871,718,276.73-297,653,707,723.89

Finding the Fourth Proportional to 642,316,948,272.45, 963,871,718,276.73 and 297,653,707,723.89

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Solution

The fourth proportional to 642,316,948,272.45, 963,871,718,276.73 and 297,653,707,723.89 is: 446,664,207,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,316,948,272.45 : 963,871,718,276.73 = 297,653,707,723.89 : x
  2. Step 2: Convert to fraction form
    642,316,948,272.45/963,871,718,276.73 = 297,653,707,723.89/x
  3. Step 3: Cross multiply
    642,316,948,272.45x = 963,871,718,276.73 × 297,653,707,723.89
  4. Step 4: Simplify right side
    642,316,948,272.45x = 286,899,990,715,265,456,275,456
  5. Step 5: Solve for x
    x = 286,899,990,715,265,456,275,456/642,316,948,272.45
  6. Step 6: Final answer
    x = 446,664,207,579.92

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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.