Home / 15,273,571,547.70-21,079,363,658.11-9,251,900,268.16

Finding the Fourth Proportional to 15,273,571,547.70, 21,079,363,658.11 and 9,251,900,268.16

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Solution

The fourth proportional to 15,273,571,547.70, 21,079,363,658.11 and 9,251,900,268.16 is: 12,768,733,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,273,571,547.70 : 21,079,363,658.11 = 9,251,900,268.16 : x
  2. Step 2: Convert to fraction form
    15,273,571,547.70/21,079,363,658.11 = 9,251,900,268.16/x
  3. Step 3: Cross multiply
    15,273,571,547.70x = 21,079,363,658.11 × 9,251,900,268.16
  4. Step 4: Simplify right side
    15,273,571,547.70x = 195,024,170,281,192,783,872
  5. Step 5: Solve for x
    x = 195,024,170,281,192,783,872/15,273,571,547.70
  6. Step 6: Final answer
    x = 12,768,733,866.35

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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.