Home / 646,841,445.80-893,377,514.85-434,780,110.50

Finding the Fourth Proportional to 646,841,445.80, 893,377,514.85 and 434,780,110.50

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Solution

The fourth proportional to 646,841,445.80, 893,377,514.85 and 434,780,110.50 is: 600,491,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,841,445.80 : 893,377,514.85 = 434,780,110.50 : x
  2. Step 2: Convert to fraction form
    646,841,445.80/893,377,514.85 = 434,780,110.50/x
  3. Step 3: Cross multiply
    646,841,445.80x = 893,377,514.85 × 434,780,110.50
  4. Step 4: Simplify right side
    646,841,445.80x = 388,422,774,624,698,432
  5. Step 5: Solve for x
    x = 388,422,774,624,698,432/646,841,445.80
  6. Step 6: Final answer
    x = 600,491,476.16

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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.