Home / 1,587,700,211.68-2,191,300,537.61-919,013,950.59

Finding the Fourth Proportional to 1,587,700,211.68, 2,191,300,537.61 and 919,013,950.59

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Solution

The fourth proportional to 1,587,700,211.68, 2,191,300,537.61 and 919,013,950.59 is: 1,268,397,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,700,211.68 : 2,191,300,537.61 = 919,013,950.59 : x
  2. Step 2: Convert to fraction form
    1,587,700,211.68/2,191,300,537.61 = 919,013,950.59/x
  3. Step 3: Cross multiply
    1,587,700,211.68x = 2,191,300,537.61 × 919,013,950.59
  4. Step 4: Simplify right side
    1,587,700,211.68x = 2,013,835,764,000,162,304
  5. Step 5: Solve for x
    x = 2,013,835,764,000,162,304/1,587,700,211.68
  6. Step 6: Final answer
    x = 1,268,397,994.27

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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.