Home / 618,821,132.06-853,989,318.14-340,369,962.91

Finding the Fourth Proportional to 618,821,132.06, 853,989,318.14 and 340,369,962.91

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Solution

The fourth proportional to 618,821,132.06, 853,989,318.14 and 340,369,962.91 is: 469,719,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,821,132.06 : 853,989,318.14 = 340,369,962.91 : x
  2. Step 2: Convert to fraction form
    618,821,132.06/853,989,318.14 = 340,369,962.91/x
  3. Step 3: Cross multiply
    618,821,132.06x = 853,989,318.14 × 340,369,962.91
  4. Step 4: Simplify right side
    618,821,132.06x = 290,672,312,537,011,200
  5. Step 5: Solve for x
    x = 290,672,312,537,011,200/618,821,132.06
  6. Step 6: Final answer
    x = 469,719,435.03

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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.