Home / 710,444,639.58-980,304,685.21-408,971,676.81

Finding the Fourth Proportional to 710,444,639.58, 980,304,685.21 and 408,971,676.81

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Solution

The fourth proportional to 710,444,639.58, 980,304,685.21 and 408,971,676.81 is: 564,318,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,444,639.58 : 980,304,685.21 = 408,971,676.81 : x
  2. Step 2: Convert to fraction form
    710,444,639.58/980,304,685.21 = 408,971,676.81/x
  3. Step 3: Cross multiply
    710,444,639.58x = 980,304,685.21 × 408,971,676.81
  4. Step 4: Simplify right side
    710,444,639.58x = 400,916,850,899,220,288
  5. Step 5: Solve for x
    x = 400,916,850,899,220,288/710,444,639.58
  6. Step 6: Final answer
    x = 564,318,215.05

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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.