Home / 647,731,983,452.60-893,898,235,317.50-358,700,242,841.25

Finding the Fourth Proportional to 647,731,983,452.60, 893,898,235,317.50 and 358,700,242,841.25

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Solution

The fourth proportional to 647,731,983,452.60, 893,898,235,317.50 and 358,700,242,841.25 is: 495,021,895,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,731,983,452.60 : 893,898,235,317.50 = 358,700,242,841.25 : x
  2. Step 2: Convert to fraction form
    647,731,983,452.60/893,898,235,317.50 = 358,700,242,841.25/x
  3. Step 3: Cross multiply
    647,731,983,452.60x = 893,898,235,317.50 × 358,700,242,841.25
  4. Step 4: Simplify right side
    647,731,983,452.60x = 320,641,514,083,752,064,581,632
  5. Step 5: Solve for x
    x = 320,641,514,083,752,064,581,632/647,731,983,452.60
  6. Step 6: Final answer
    x = 495,021,895,282.43

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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.