Home / 914,360,394.26-1,261,816,384.10-496,673,006.78

Finding the Fourth Proportional to 914,360,394.26, 1,261,816,384.10 and 496,673,006.78

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Solution

The fourth proportional to 914,360,394.26, 1,261,816,384.10 and 496,673,006.78 is: 685,408,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,360,394.26 : 1,261,816,384.10 = 496,673,006.78 : x
  2. Step 2: Convert to fraction form
    914,360,394.26/1,261,816,384.10 = 496,673,006.78/x
  3. Step 3: Cross multiply
    914,360,394.26x = 1,261,816,384.10 × 496,673,006.78
  4. Step 4: Simplify right side
    914,360,394.26x = 626,710,137,495,214,336
  5. Step 5: Solve for x
    x = 626,710,137,495,214,336/914,360,394.26
  6. Step 6: Final answer
    x = 685,408,227.90

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1.5x scale

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.