Home / 844,953,091.52-1,165,881,088.67-487,590,497.21

Finding the Fourth Proportional to 844,953,091.52, 1,165,881,088.67 and 487,590,497.21

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Solution

The fourth proportional to 844,953,091.52, 1,165,881,088.67 and 487,590,497.21 is: 672,785,916.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,953,091.52 : 1,165,881,088.67 = 487,590,497.21 : x
  2. Step 2: Convert to fraction form
    844,953,091.52/1,165,881,088.67 = 487,590,497.21/x
  3. Step 3: Cross multiply
    844,953,091.52x = 1,165,881,088.67 × 487,590,497.21
  4. Step 4: Simplify right side
    844,953,091.52x = 568,472,539,708,996,352
  5. Step 5: Solve for x
    x = 568,472,539,708,996,352/844,953,091.52
  6. Step 6: Final answer
    x = 672,785,916.07

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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.