Home / 1,223,913,134.64-1,836,411,844.72-641,508,969.36

Finding the Fourth Proportional to 1,223,913,134.64, 1,836,411,844.72 and 641,508,969.36

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Solution

The fourth proportional to 1,223,913,134.64, 1,836,411,844.72 and 641,508,969.36 is: 962,547,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,913,134.64 : 1,836,411,844.72 = 641,508,969.36 : x
  2. Step 2: Convert to fraction form
    1,223,913,134.64/1,836,411,844.72 = 641,508,969.36/x
  3. Step 3: Cross multiply
    1,223,913,134.64x = 1,836,411,844.72 × 641,508,969.36
  4. Step 4: Simplify right side
    1,223,913,134.64x = 1,178,074,669,826,823,680
  5. Step 5: Solve for x
    x = 1,178,074,669,826,823,680/1,223,913,134.64
  6. Step 6: Final answer
    x = 962,547,615.91

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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.