Home / 1,456,955,207.70-2,185,432,811.55-992,050,620.90

Finding the Fourth Proportional to 1,456,955,207.70, 2,185,432,811.55 and 992,050,620.90

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Solution

The fourth proportional to 1,456,955,207.70, 2,185,432,811.55 and 992,050,620.90 is: 1,488,075,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,955,207.70 : 2,185,432,811.55 = 992,050,620.90 : x
  2. Step 2: Convert to fraction form
    1,456,955,207.70/2,185,432,811.55 = 992,050,620.90/x
  3. Step 3: Cross multiply
    1,456,955,207.70x = 2,185,432,811.55 × 992,050,620.90
  4. Step 4: Simplify right side
    1,456,955,207.70x = 2,168,059,977,633,410,304
  5. Step 5: Solve for x
    x = 2,168,059,977,633,410,304/1,456,955,207.70
  6. Step 6: Final answer
    x = 1,488,075,931.35

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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.