Home / 702,726,834,097.12-969,783,487,705.40-398,222,365,131.02

Finding the Fourth Proportional to 702,726,834,097.12, 969,783,487,705.40 and 398,222,365,131.02

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Solution

The fourth proportional to 702,726,834,097.12, 969,783,487,705.40 and 398,222,365,131.02 is: 549,558,456,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,726,834,097.12 : 969,783,487,705.40 = 398,222,365,131.02 : x
  2. Step 2: Convert to fraction form
    702,726,834,097.12/969,783,487,705.40 = 398,222,365,131.02/x
  3. Step 3: Cross multiply
    702,726,834,097.12x = 969,783,487,705.40 × 398,222,365,131.02
  4. Step 4: Simplify right side
    702,726,834,097.12x = 386,189,474,139,053,901,217,792
  5. Step 5: Solve for x
    x = 386,189,474,139,053,901,217,792/702,726,834,097.12
  6. Step 6: Final answer
    x = 549,558,456,288.69

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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.