Home / 1,021,887,305.56-1,410,205,099.47-551,988,834.11

Finding the Fourth Proportional to 1,021,887,305.56, 1,410,205,099.47 and 551,988,834.11

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Solution

The fourth proportional to 1,021,887,305.56, 1,410,205,099.47 and 551,988,834.11 is: 761,744,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,887,305.56 : 1,410,205,099.47 = 551,988,834.11 : x
  2. Step 2: Convert to fraction form
    1,021,887,305.56/1,410,205,099.47 = 551,988,834.11/x
  3. Step 3: Cross multiply
    1,021,887,305.56x = 1,410,205,099.47 × 551,988,834.11
  4. Step 4: Simplify right side
    1,021,887,305.56x = 778,417,468,721,192,960
  5. Step 5: Solve for x
    x = 778,417,468,721,192,960/1,021,887,305.56
  6. Step 6: Final answer
    x = 761,744,924.79

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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.