Home / 914,360,425.90-1,261,816,427.49-496,673,037.88

Finding the Fourth Proportional to 914,360,425.90, 1,261,816,427.49 and 496,673,037.88

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Solution

The fourth proportional to 914,360,425.90, 1,261,816,427.49 and 496,673,037.88 is: 685,408,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,360,425.90 : 1,261,816,427.49 = 496,673,037.88 : x
  2. Step 2: Convert to fraction form
    914,360,425.90/1,261,816,427.49 = 496,673,037.88/x
  3. Step 3: Cross multiply
    914,360,425.90x = 1,261,816,427.49 × 496,673,037.88
  4. Step 4: Simplify right side
    914,360,425.90x = 626,710,198,288,347,008
  5. Step 5: Solve for x
    x = 626,710,198,288,347,008/914,360,425.90
  6. Step 6: Final answer
    x = 685,408,270.67

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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.