Home / 448,283,497.68-671,793,150-211,680,567.12

Finding the Fourth Proportional to 448,283,497.68, 671,793,150 and 211,680,567.12

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Solution

The fourth proportional to 448,283,497.68, 671,793,150 and 211,680,567.12 is: 317,222,373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,283,497.68 : 671,793,150 = 211,680,567.12 : x
  2. Step 2: Convert to fraction form
    448,283,497.68/671,793,150 = 211,680,567.12/x
  3. Step 3: Cross multiply
    448,283,497.68x = 671,793,150 × 211,680,567.12
  4. Step 4: Simplify right side
    448,283,497.68x = 142,205,554,979,331,232
  5. Step 5: Solve for x
    x = 142,205,554,979,331,232/448,283,497.68
  6. Step 6: Final answer
    x = 317,222,373.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.