Home / 610,980,515.70-916,470,773.55-222,816,009.30

Finding the Fourth Proportional to 610,980,515.70, 916,470,773.55 and 222,816,009.30

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Solution

The fourth proportional to 610,980,515.70, 916,470,773.55 and 222,816,009.30 is: 334,224,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,980,515.70 : 916,470,773.55 = 222,816,009.30 : x
  2. Step 2: Convert to fraction form
    610,980,515.70/916,470,773.55 = 222,816,009.30/x
  3. Step 3: Cross multiply
    610,980,515.70x = 916,470,773.55 × 222,816,009.30
  4. Step 4: Simplify right side
    610,980,515.70x = 204,204,360,402,495,008
  5. Step 5: Solve for x
    x = 204,204,360,402,495,008/610,980,515.70
  6. Step 6: Final answer
    x = 334,224,013.95

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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.