Home / 466,148,032.63-643,284,348.02-257,304,214.69

Finding the Fourth Proportional to 466,148,032.63, 643,284,348.02 and 257,304,214.69

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Solution

The fourth proportional to 466,148,032.63, 643,284,348.02 and 257,304,214.69 is: 355,079,851.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,148,032.63 : 643,284,348.02 = 257,304,214.69 : x
  2. Step 2: Convert to fraction form
    466,148,032.63/643,284,348.02 = 257,304,214.69/x
  3. Step 3: Cross multiply
    466,148,032.63x = 643,284,348.02 × 257,304,214.69
  4. Step 4: Simplify right side
    466,148,032.63x = 165,519,773,989,654,752
  5. Step 5: Solve for x
    x = 165,519,773,989,654,752/466,148,032.63
  6. Step 6: Final answer
    x = 355,079,851.04

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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.