Home / 1,223,913,132.64-1,836,411,841.72-641,508,967.36

Finding the Fourth Proportional to 1,223,913,132.64, 1,836,411,841.72 and 641,508,967.36

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Solution

The fourth proportional to 1,223,913,132.64, 1,836,411,841.72 and 641,508,967.36 is: 962,547,612.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,913,132.64 : 1,836,411,841.72 = 641,508,967.36 : x
  2. Step 2: Convert to fraction form
    1,223,913,132.64/1,836,411,841.72 = 641,508,967.36/x
  3. Step 3: Cross multiply
    1,223,913,132.64x = 1,836,411,841.72 × 641,508,967.36
  4. Step 4: Simplify right side
    1,223,913,132.64x = 1,178,074,664,229,473,024
  5. Step 5: Solve for x
    x = 1,178,074,664,229,473,024/1,223,913,132.64
  6. Step 6: Final answer
    x = 962,547,612.91

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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.