Home / 1,472,663,146.30-2,208,586,008-408,841,602.90

Finding the Fourth Proportional to 1,472,663,146.30, 2,208,586,008 and 408,841,602.90

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Solution

The fourth proportional to 1,472,663,146.30, 2,208,586,008 and 408,841,602.90 is: 613,148,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,663,146.30 : 2,208,586,008 = 408,841,602.90 : x
  2. Step 2: Convert to fraction form
    1,472,663,146.30/2,208,586,008 = 408,841,602.90/x
  3. Step 3: Cross multiply
    1,472,663,146.30x = 2,208,586,008 × 408,841,602.90
  4. Step 4: Simplify right side
    1,472,663,146.30x = 902,961,843,653,232,128
  5. Step 5: Solve for x
    x = 902,961,843,653,232,128/1,472,663,146.30
  6. Step 6: Final answer
    x = 613,148,937.64

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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.