Home / 2,230,688,948.40-3,078,333,734.24-1,227,084,912.72

Finding the Fourth Proportional to 2,230,688,948.40, 3,078,333,734.24 and 1,227,084,912.72

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Solution

The fourth proportional to 2,230,688,948.40, 3,078,333,734.24 and 1,227,084,912.72 is: 1,693,367,819.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,688,948.40 : 3,078,333,734.24 = 1,227,084,912.72 : x
  2. Step 2: Convert to fraction form
    2,230,688,948.40/3,078,333,734.24 = 1,227,084,912.72/x
  3. Step 3: Cross multiply
    2,230,688,948.40x = 3,078,333,734.24 × 1,227,084,912.72
  4. Step 4: Simplify right side
    2,230,688,948.40x = 3,777,376,881,602,921,984
  5. Step 5: Solve for x
    x = 3,777,376,881,602,921,984/2,230,688,948.40
  6. Step 6: Final answer
    x = 1,693,367,819.98

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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.