Home / 9,030,375,412.05-12,459,106,586.84-5,218,509,658.53

Finding the Fourth Proportional to 9,030,375,412.05, 12,459,106,586.84 and 5,218,509,658.53

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Solution

The fourth proportional to 9,030,375,412.05, 12,459,106,586.84 and 5,218,509,658.53 is: 7,199,918,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030,375,412.05 : 12,459,106,586.84 = 5,218,509,658.53 : x
  2. Step 2: Convert to fraction form
    9,030,375,412.05/12,459,106,586.84 = 5,218,509,658.53/x
  3. Step 3: Cross multiply
    9,030,375,412.05x = 12,459,106,586.84 × 5,218,509,658.53
  4. Step 4: Simplify right side
    9,030,375,412.05x = 65,017,968,060,053,184,512
  5. Step 5: Solve for x
    x = 65,017,968,060,053,184,512/9,030,375,412.05
  6. Step 6: Final answer
    x = 7,199,918,618.37

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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.