Home / 1,434,852,983.10-2,152,279,474.65-780,117,671.10

Finding the Fourth Proportional to 1,434,852,983.10, 2,152,279,474.65 and 780,117,671.10

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Solution

The fourth proportional to 1,434,852,983.10, 2,152,279,474.65 and 780,117,671.10 is: 1,170,176,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,852,983.10 : 2,152,279,474.65 = 780,117,671.10 : x
  2. Step 2: Convert to fraction form
    1,434,852,983.10/2,152,279,474.65 = 780,117,671.10/x
  3. Step 3: Cross multiply
    1,434,852,983.10x = 2,152,279,474.65 × 780,117,671.10
  4. Step 4: Simplify right side
    1,434,852,983.10x = 1,679,031,251,320,289,536
  5. Step 5: Solve for x
    x = 1,679,031,251,320,289,536/1,434,852,983.10
  6. Step 6: Final answer
    x = 1,170,176,506.65

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Double scale
Find fourth proportional to 1,434,852,984.10, 2,152,279,476.15 and 780,117,672.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.