Home / 840,808,050.57-1,160,292,620.72-464,456,538.61

Finding the Fourth Proportional to 840,808,050.57, 1,160,292,620.72 and 464,456,538.61

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Solution

The fourth proportional to 840,808,050.57, 1,160,292,620.72 and 464,456,538.61 is: 640,937,600.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,808,050.57 : 1,160,292,620.72 = 464,456,538.61 : x
  2. Step 2: Convert to fraction form
    840,808,050.57/1,160,292,620.72 = 464,456,538.61/x
  3. Step 3: Cross multiply
    840,808,050.57x = 1,160,292,620.72 × 464,456,538.61
  4. Step 4: Simplify right side
    840,808,050.57x = 538,905,494,392,597,248
  5. Step 5: Solve for x
    x = 538,905,494,392,597,248/840,808,050.57
  6. Step 6: Final answer
    x = 640,937,600.48

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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.