Home / 290,016,223,663.02-400,204,355,666.94-159,797,791,095.38

Finding the Fourth Proportional to 290,016,223,663.02, 400,204,355,666.94 and 159,797,791,095.38

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Solution

The fourth proportional to 290,016,223,663.02, 400,204,355,666.94 and 159,797,791,095.38 is: 220,511,015,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,016,223,663.02 : 400,204,355,666.94 = 159,797,791,095.38 : x
  2. Step 2: Convert to fraction form
    290,016,223,663.02/400,204,355,666.94 = 159,797,791,095.38/x
  3. Step 3: Cross multiply
    290,016,223,663.02x = 400,204,355,666.94 × 159,797,791,095.38
  4. Step 4: Simplify right side
    290,016,223,663.02x = 63,951,772,022,326,834,495,488
  5. Step 5: Solve for x
    x = 63,951,772,022,326,834,495,488/290,016,223,663.02
  6. Step 6: Final answer
    x = 220,511,015,606.61

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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.