Home / 1,347,946,912.10-2,021,920,368.15-326,740,384.10

Finding the Fourth Proportional to 1,347,946,912.10, 2,021,920,368.15 and 326,740,384.10

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Solution

The fourth proportional to 1,347,946,912.10, 2,021,920,368.15 and 326,740,384.10 is: 490,110,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,946,912.10 : 2,021,920,368.15 = 326,740,384.10 : x
  2. Step 2: Convert to fraction form
    1,347,946,912.10/2,021,920,368.15 = 326,740,384.10/x
  3. Step 3: Cross multiply
    1,347,946,912.10x = 2,021,920,368.15 × 326,740,384.10
  4. Step 4: Simplify right side
    1,347,946,912.10x = 660,643,037,708,944,512
  5. Step 5: Solve for x
    x = 660,643,037,708,944,512/1,347,946,912.10
  6. Step 6: Final answer
    x = 490,110,576.15

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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.