Home / 340,775,809.61-510,115,312.70-222,345,561.46

Finding the Fourth Proportional to 340,775,809.61, 510,115,312.70 and 222,345,561.46

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Solution

The fourth proportional to 340,775,809.61, 510,115,312.70 and 222,345,561.46 is: 332,834,292.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,775,809.61 : 510,115,312.70 = 222,345,561.46 : x
  2. Step 2: Convert to fraction form
    340,775,809.61/510,115,312.70 = 222,345,561.46/x
  3. Step 3: Cross multiply
    340,775,809.61x = 510,115,312.70 × 222,345,561.46
  4. Step 4: Simplify right side
    340,775,809.61x = 113,421,875,609,051,392
  5. Step 5: Solve for x
    x = 113,421,875,609,051,392/340,775,809.61
  6. Step 6: Final answer
    x = 332,834,292.85

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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.