Home / 690,261,461.62-1,035,537,785.12-223,886,665.43

Finding the Fourth Proportional to 690,261,461.62, 1,035,537,785.12 and 223,886,665.43

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Solution

The fourth proportional to 690,261,461.62, 1,035,537,785.12 and 223,886,665.43 is: 335,877,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,261,461.62 : 1,035,537,785.12 = 223,886,665.43 : x
  2. Step 2: Convert to fraction form
    690,261,461.62/1,035,537,785.12 = 223,886,665.43/x
  3. Step 3: Cross multiply
    690,261,461.62x = 1,035,537,785.12 × 223,886,665.43
  4. Step 4: Simplify right side
    690,261,461.62x = 231,843,101,638,754,080
  5. Step 5: Solve for x
    x = 231,843,101,638,754,080/690,261,461.62
  6. Step 6: Final answer
    x = 335,877,221.21

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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.