Home / 7,509,639,859.20-11,268,490,867.20-3,148,013,030.40

Finding the Fourth Proportional to 7,509,639,859.20, 11,268,490,867.20 and 3,148,013,030.40

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Solution

The fourth proportional to 7,509,639,859.20, 11,268,490,867.20 and 3,148,013,030.40 is: 4,723,709,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509,639,859.20 : 11,268,490,867.20 = 3,148,013,030.40 : x
  2. Step 2: Convert to fraction form
    7,509,639,859.20/11,268,490,867.20 = 3,148,013,030.40/x
  3. Step 3: Cross multiply
    7,509,639,859.20x = 11,268,490,867.20 × 3,148,013,030.40
  4. Step 4: Simplify right side
    7,509,639,859.20x = 35,473,356,082,888,998,912
  5. Step 5: Solve for x
    x = 35,473,356,082,888,998,912/7,509,639,859.20
  6. Step 6: Final answer
    x = 4,723,709,358.64

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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.