Home / 1,214,789,252.40-1,676,400,819.72-657,859,554.72

Finding the Fourth Proportional to 1,214,789,252.40, 1,676,400,819.72 and 657,859,554.72

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Solution

The fourth proportional to 1,214,789,252.40, 1,676,400,819.72 and 657,859,554.72 is: 907,841,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,789,252.40 : 1,676,400,819.72 = 657,859,554.72 : x
  2. Step 2: Convert to fraction form
    1,214,789,252.40/1,676,400,819.72 = 657,859,554.72/x
  3. Step 3: Cross multiply
    1,214,789,252.40x = 1,676,400,819.72 × 657,859,554.72
  4. Step 4: Simplify right side
    1,214,789,252.40x = 1,102,836,296,793,242,240
  5. Step 5: Solve for x
    x = 1,102,836,296,793,242,240/1,214,789,252.40
  6. Step 6: Final answer
    x = 907,841,664.40

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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.