Home / 1,297,238,532.92-1,948,962,072.54-831,811,833.08

Finding the Fourth Proportional to 1,297,238,532.92, 1,948,962,072.54 and 831,811,833.08

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Solution

The fourth proportional to 1,297,238,532.92, 1,948,962,072.54 and 831,811,833.08 is: 1,249,708,263.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,238,532.92 : 1,948,962,072.54 = 831,811,833.08 : x
  2. Step 2: Convert to fraction form
    1,297,238,532.92/1,948,962,072.54 = 831,811,833.08/x
  3. Step 3: Cross multiply
    1,297,238,532.92x = 1,948,962,072.54 × 831,811,833.08
  4. Step 4: Simplify right side
    1,297,238,532.92x = 1,621,169,714,162,893,312
  5. Step 5: Solve for x
    x = 1,621,169,714,162,893,312/1,297,238,532.92
  6. Step 6: Final answer
    x = 1,249,708,263.38

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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.