Home / 9,217,114,981.74-12,719,658,728.72-4,988,027,225.59

Finding the Fourth Proportional to 9,217,114,981.74, 12,719,658,728.72 and 4,988,027,225.59

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Solution

The fourth proportional to 9,217,114,981.74, 12,719,658,728.72 and 4,988,027,225.59 is: 6,883,499,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217,114,981.74 : 12,719,658,728.72 = 4,988,027,225.59 : x
  2. Step 2: Convert to fraction form
    9,217,114,981.74/12,719,658,728.72 = 4,988,027,225.59/x
  3. Step 3: Cross multiply
    9,217,114,981.74x = 12,719,658,728.72 × 4,988,027,225.59
  4. Step 4: Simplify right side
    9,217,114,981.74x = 63,446,004,039,045,758,976
  5. Step 5: Solve for x
    x = 63,446,004,039,045,758,976/9,217,114,981.74
  6. Step 6: Final answer
    x = 6,883,499,247.30

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Double scale
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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.