Home / 762,284,842.45-1,051,360,023.07-551,382,815.12

Finding the Fourth Proportional to 762,284,842.45, 1,051,360,023.07 and 551,382,815.12

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Solution

The fourth proportional to 762,284,842.45, 1,051,360,023.07 and 551,382,815.12 is: 760,479,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,284,842.45 : 1,051,360,023.07 = 551,382,815.12 : x
  2. Step 2: Convert to fraction form
    762,284,842.45/1,051,360,023.07 = 551,382,815.12/x
  3. Step 3: Cross multiply
    762,284,842.45x = 1,051,360,023.07 × 551,382,815.12
  4. Step 4: Simplify right side
    762,284,842.45x = 579,701,849,220,369,664
  5. Step 5: Solve for x
    x = 579,701,849,220,369,664/762,284,842.45
  6. Step 6: Final answer
    x = 760,479,307.65

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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.