Home / 13,308,795,082.32-19,931,501,685.12-7,700,913,766.65

Finding the Fourth Proportional to 13,308,795,082.32, 19,931,501,685.12 and 7,700,913,766.65

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Solution

The fourth proportional to 13,308,795,082.32, 19,931,501,685.12 and 7,700,913,766.65 is: 11,533,033,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,795,082.32 : 19,931,501,685.12 = 7,700,913,766.65 : x
  2. Step 2: Convert to fraction form
    13,308,795,082.32/19,931,501,685.12 = 7,700,913,766.65/x
  3. Step 3: Cross multiply
    13,308,795,082.32x = 19,931,501,685.12 × 7,700,913,766.65
  4. Step 4: Simplify right side
    13,308,795,082.32x = 153,490,775,716,948,279,296
  5. Step 5: Solve for x
    x = 153,490,775,716,948,279,296/13,308,795,082.32
  6. Step 6: Final answer
    x = 11,533,033,213.57

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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.