Home / 590,123,959.80-885,185,939.70-575,007,415.80

Finding the Fourth Proportional to 590,123,959.80, 885,185,939.70 and 575,007,415.80

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Solution

The fourth proportional to 590,123,959.80, 885,185,939.70 and 575,007,415.80 is: 862,511,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,123,959.80 : 885,185,939.70 = 575,007,415.80 : x
  2. Step 2: Convert to fraction form
    590,123,959.80/885,185,939.70 = 575,007,415.80/x
  3. Step 3: Cross multiply
    590,123,959.80x = 885,185,939.70 × 575,007,415.80
  4. Step 4: Simplify right side
    590,123,959.80x = 508,988,479,689,391,616
  5. Step 5: Solve for x
    x = 508,988,479,689,391,616/590,123,959.80
  6. Step 6: Final answer
    x = 862,511,123.70

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Double scale
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1.5x scale

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.