Home / 2,011,334,510.78-2,775,883,260.74-1,218,357,222.92

Finding the Fourth Proportional to 2,011,334,510.78, 2,775,883,260.74 and 1,218,357,222.92

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Solution

The fourth proportional to 2,011,334,510.78, 2,775,883,260.74 and 1,218,357,222.92 is: 1,681,479,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,334,510.78 : 2,775,883,260.74 = 1,218,357,222.92 : x
  2. Step 2: Convert to fraction form
    2,011,334,510.78/2,775,883,260.74 = 1,218,357,222.92/x
  3. Step 3: Cross multiply
    2,011,334,510.78x = 2,775,883,260.74 × 1,218,357,222.92
  4. Step 4: Simplify right side
    2,011,334,510.78x = 3,382,017,420,685,329,408
  5. Step 5: Solve for x
    x = 3,382,017,420,685,329,408/2,011,334,510.78
  6. Step 6: Final answer
    x = 1,681,479,337.51

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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.