Home / 1,177,429,903.38-1,624,887,926.37-648,827,940.15

Finding the Fourth Proportional to 1,177,429,903.38, 1,624,887,926.37 and 648,827,940.15

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Solution

The fourth proportional to 1,177,429,903.38, 1,624,887,926.37 and 648,827,940.15 is: 895,401,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,429,903.38 : 1,624,887,926.37 = 648,827,940.15 : x
  2. Step 2: Convert to fraction form
    1,177,429,903.38/1,624,887,926.37 = 648,827,940.15/x
  3. Step 3: Cross multiply
    1,177,429,903.38x = 1,624,887,926.37 × 648,827,940.15
  4. Step 4: Simplify right side
    1,177,429,903.38x = 1,054,272,686,241,251,840
  5. Step 5: Solve for x
    x = 1,054,272,686,241,251,840/1,177,429,903.38
  6. Step 6: Final answer
    x = 895,401,656.79

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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.