Home / 832,199,400.29-1,147,999,768.78-514,558,108.32

Finding the Fourth Proportional to 832,199,400.29, 1,147,999,768.78 and 514,558,108.32

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Solution

The fourth proportional to 832,199,400.29, 1,147,999,768.78 and 514,558,108.32 is: 709,820,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,199,400.29 : 1,147,999,768.78 = 514,558,108.32 : x
  2. Step 2: Convert to fraction form
    832,199,400.29/1,147,999,768.78 = 514,558,108.32/x
  3. Step 3: Cross multiply
    832,199,400.29x = 1,147,999,768.78 × 514,558,108.32
  4. Step 4: Simplify right side
    832,199,400.29x = 590,712,589,375,234,176
  5. Step 5: Solve for x
    x = 590,712,589,375,234,176/832,199,400.29
  6. Step 6: Final answer
    x = 709,820,974.60

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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.