Home / 1,219,716,691.04-1,683,233,951.28-662,835,611.36

Finding the Fourth Proportional to 1,219,716,691.04, 1,683,233,951.28 and 662,835,611.36

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Solution

The fourth proportional to 1,219,716,691.04, 1,683,233,951.28 and 662,835,611.36 is: 914,726,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,716,691.04 : 1,683,233,951.28 = 662,835,611.36 : x
  2. Step 2: Convert to fraction form
    1,219,716,691.04/1,683,233,951.28 = 662,835,611.36/x
  3. Step 3: Cross multiply
    1,219,716,691.04x = 1,683,233,951.28 × 662,835,611.36
  4. Step 4: Simplify right side
    1,219,716,691.04x = 1,115,707,405,158,587,264
  5. Step 5: Solve for x
    x = 1,115,707,405,158,587,264/1,219,716,691.04
  6. Step 6: Final answer
    x = 914,726,684.77

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Double scale
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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.