Home / 550,881,291.42-760,208,671.17-312,724,404.27

Finding the Fourth Proportional to 550,881,291.42, 760,208,671.17 and 312,724,404.27

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Solution

The fourth proportional to 550,881,291.42, 760,208,671.17 and 312,724,404.27 is: 431,555,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,881,291.42 : 760,208,671.17 = 312,724,404.27 : x
  2. Step 2: Convert to fraction form
    550,881,291.42/760,208,671.17 = 312,724,404.27/x
  3. Step 3: Cross multiply
    550,881,291.42x = 760,208,671.17 × 312,724,404.27
  4. Step 4: Simplify right side
    550,881,291.42x = 237,735,803,812,526,560
  5. Step 5: Solve for x
    x = 237,735,803,812,526,560/550,881,291.42
  6. Step 6: Final answer
    x = 431,555,414.05

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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.