Home / 1,176,188,889.60-1,761,732,417.60-972,115,545.60

Finding the Fourth Proportional to 1,176,188,889.60, 1,761,732,417.60 and 972,115,545.60

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Solution

The fourth proportional to 1,176,188,889.60, 1,761,732,417.60 and 972,115,545.60 is: 1,456,064,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,188,889.60 : 1,761,732,417.60 = 972,115,545.60 : x
  2. Step 2: Convert to fraction form
    1,176,188,889.60/1,761,732,417.60 = 972,115,545.60/x
  3. Step 3: Cross multiply
    1,176,188,889.60x = 1,761,732,417.60 × 972,115,545.60
  4. Step 4: Simplify right side
    1,176,188,889.60x = 1,712,607,470,336,431,104
  5. Step 5: Solve for x
    x = 1,712,607,470,336,431,104/1,176,188,889.60
  6. Step 6: Final answer
    x = 1,456,064,995.58

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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.