Home / 447,865,021,266.48-672,275,602,307.92-193,020,171,677.91

Finding the Fourth Proportional to 447,865,021,266.48, 672,275,602,307.92 and 193,020,171,677.91

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Solution

The fourth proportional to 447,865,021,266.48, 672,275,602,307.92 and 193,020,171,677.91 is: 289,736,295,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,865,021,266.48 : 672,275,602,307.92 = 193,020,171,677.91 : x
  2. Step 2: Convert to fraction form
    447,865,021,266.48/672,275,602,307.92 = 193,020,171,677.91/x
  3. Step 3: Cross multiply
    447,865,021,266.48x = 672,275,602,307.92 × 193,020,171,677.91
  4. Step 4: Simplify right side
    447,865,021,266.48x = 129,762,752,172,345,085,919,232
  5. Step 5: Solve for x
    x = 129,762,752,172,345,085,919,232/447,865,021,266.48
  6. Step 6: Final answer
    x = 289,736,295,559.32

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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.