Home / 1,370,888,146.83-1,891,825,642.63-784,177,282.83

Finding the Fourth Proportional to 1,370,888,146.83, 1,891,825,642.63 and 784,177,282.83

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Solution

The fourth proportional to 1,370,888,146.83, 1,891,825,642.63 and 784,177,282.83 is: 1,082,164,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,888,146.83 : 1,891,825,642.63 = 784,177,282.83 : x
  2. Step 2: Convert to fraction form
    1,370,888,146.83/1,891,825,642.63 = 784,177,282.83/x
  3. Step 3: Cross multiply
    1,370,888,146.83x = 1,891,825,642.63 × 784,177,282.83
  4. Step 4: Simplify right side
    1,370,888,146.83x = 1,483,526,692,018,667,264
  5. Step 5: Solve for x
    x = 1,483,526,692,018,667,264/1,370,888,146.83
  6. Step 6: Final answer
    x = 1,082,164,650.30

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Double scale
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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.