Home / 870,364,553.80-1,201,091,817.60-473,882,995.80

Finding the Fourth Proportional to 870,364,553.80, 1,201,091,817.60 and 473,882,995.80

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Solution

The fourth proportional to 870,364,553.80, 1,201,091,817.60 and 473,882,995.80 is: 653,952,399.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,364,553.80 : 1,201,091,817.60 = 473,882,995.80 : x
  2. Step 2: Convert to fraction form
    870,364,553.80/1,201,091,817.60 = 473,882,995.80/x
  3. Step 3: Cross multiply
    870,364,553.80x = 1,201,091,817.60 × 473,882,995.80
  4. Step 4: Simplify right side
    870,364,553.80x = 569,176,988,755,155,136
  5. Step 5: Solve for x
    x = 569,176,988,755,155,136/870,364,553.80
  6. Step 6: Final answer
    x = 653,952,399.91

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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.