Home / 1,209,506,833,098.30-1,669,120,099,255.80-653,311,957,162.12

Finding the Fourth Proportional to 1,209,506,833,098.30, 1,669,120,099,255.80 and 653,311,957,162.12

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Solution

The fourth proportional to 1,209,506,833,098.30, 1,669,120,099,255.80 and 653,311,957,162.12 is: 901,570,862,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,506,833,098.30 : 1,669,120,099,255.80 = 653,311,957,162.12 : x
  2. Step 2: Convert to fraction form
    1,209,506,833,098.30/1,669,120,099,255.80 = 653,311,957,162.12/x
  3. Step 3: Cross multiply
    1,209,506,833,098.30x = 1,669,120,099,255.80 × 653,311,957,162.12
  4. Step 4: Simplify right side
    1,209,506,833,098.30x = 1,090,456,118,783,438,762,278,912
  5. Step 5: Solve for x
    x = 1,090,456,118,783,438,762,278,912/1,209,506,833,098.30
  6. Step 6: Final answer
    x = 901,570,862,555.69

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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.