Home / 1,123,705,934.20-1,685,558,901.30-294,657,974.20

Finding the Fourth Proportional to 1,123,705,934.20, 1,685,558,901.30 and 294,657,974.20

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Solution

The fourth proportional to 1,123,705,934.20, 1,685,558,901.30 and 294,657,974.20 is: 441,986,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,705,934.20 : 1,685,558,901.30 = 294,657,974.20 : x
  2. Step 2: Convert to fraction form
    1,123,705,934.20/1,685,558,901.30 = 294,657,974.20/x
  3. Step 3: Cross multiply
    1,123,705,934.20x = 1,685,558,901.30 × 294,657,974.20
  4. Step 4: Simplify right side
    1,123,705,934.20x = 496,663,371,251,835,712
  5. Step 5: Solve for x
    x = 496,663,371,251,835,712/1,123,705,934.20
  6. Step 6: Final answer
    x = 441,986,961.30

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Half scale
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Double scale
Find fourth proportional to 1,123,705,935.20, 1,685,558,902.80 and 294,657,975.20
Similar ratio
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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.