Home / 605,078,770.71-907,882,153.47-211,887,802.93

Finding the Fourth Proportional to 605,078,770.71, 907,882,153.47 and 211,887,802.93

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Solution

The fourth proportional to 605,078,770.71, 907,882,153.47 and 211,887,802.93 is: 317,924,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,078,770.71 : 907,882,153.47 = 211,887,802.93 : x
  2. Step 2: Convert to fraction form
    605,078,770.71/907,882,153.47 = 211,887,802.93/x
  3. Step 3: Cross multiply
    605,078,770.71x = 907,882,153.47 × 211,887,802.93
  4. Step 4: Simplify right side
    605,078,770.71x = 192,369,154,818,115,392
  5. Step 5: Solve for x
    x = 192,369,154,818,115,392/605,078,770.71
  6. Step 6: Final answer
    x = 317,924,151.58

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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.