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Finding the Fourth Proportional to 704,875,395.19, 972,671,016.82 and 407,536,714.48

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Solution

The fourth proportional to 704,875,395.19, 972,671,016.82 and 407,536,714.48 is: 562,367,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,875,395.19 : 972,671,016.82 = 407,536,714.48 : x
  2. Step 2: Convert to fraction form
    704,875,395.19/972,671,016.82 = 407,536,714.48/x
  3. Step 3: Cross multiply
    704,875,395.19x = 972,671,016.82 × 407,536,714.48
  4. Step 4: Simplify right side
    704,875,395.19x = 396,399,150,464,743,680
  5. Step 5: Solve for x
    x = 396,399,150,464,743,680/704,875,395.19
  6. Step 6: Final answer
    x = 562,367,693.88

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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.