Home / 910,144,107.85-1,365,276,699.29-319,862,956.78

Finding the Fourth Proportional to 910,144,107.85, 1,365,276,699.29 and 319,862,956.78

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Solution

The fourth proportional to 910,144,107.85, 1,365,276,699.29 and 319,862,956.78 is: 479,815,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,144,107.85 : 1,365,276,699.29 = 319,862,956.78 : x
  2. Step 2: Convert to fraction form
    910,144,107.85/1,365,276,699.29 = 319,862,956.78/x
  3. Step 3: Cross multiply
    910,144,107.85x = 1,365,276,699.29 × 319,862,956.78
  4. Step 4: Simplify right side
    910,144,107.85x = 436,701,441,849,312,640
  5. Step 5: Solve for x
    x = 436,701,441,849,312,640/910,144,107.85
  6. Step 6: Final answer
    x = 479,815,710.59

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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.