Home / 626,228,938.49-864,346,445.52-358,459,992.91

Finding the Fourth Proportional to 626,228,938.49, 864,346,445.52 and 358,459,992.91

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Solution

The fourth proportional to 626,228,938.49, 864,346,445.52 and 358,459,992.91 is: 494,760,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,228,938.49 : 864,346,445.52 = 358,459,992.91 : x
  2. Step 2: Convert to fraction form
    626,228,938.49/864,346,445.52 = 358,459,992.91/x
  3. Step 3: Cross multiply
    626,228,938.49x = 864,346,445.52 × 358,459,992.91
  4. Step 4: Simplify right side
    626,228,938.49x = 309,833,620,728,561,152
  5. Step 5: Solve for x
    x = 309,833,620,728,561,152/626,228,938.49
  6. Step 6: Final answer
    x = 494,760,943.94

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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.