Home / 284,022,053,042.48-391,950,644,510.04-153,811,918,392.56

Finding the Fourth Proportional to 284,022,053,042.48, 391,950,644,510.04 and 153,811,918,392.56

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Solution

The fourth proportional to 284,022,053,042.48, 391,950,644,510.04 and 153,811,918,392.56 is: 212,260,561,817.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,022,053,042.48 : 391,950,644,510.04 = 153,811,918,392.56 : x
  2. Step 2: Convert to fraction form
    284,022,053,042.48/391,950,644,510.04 = 153,811,918,392.56/x
  3. Step 3: Cross multiply
    284,022,053,042.48x = 391,950,644,510.04 × 153,811,918,392.56
  4. Step 4: Simplify right side
    284,022,053,042.48x = 60,286,680,547,289,563,398,144
  5. Step 5: Solve for x
    x = 60,286,680,547,289,563,398,144/284,022,053,042.48
  6. Step 6: Final answer
    x = 212,260,561,817.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.