Home / 1,277,440,500.12-1,915,871,638.50-586,683,697.56

Finding the Fourth Proportional to 1,277,440,500.12, 1,915,871,638.50 and 586,683,697.56

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Solution

The fourth proportional to 1,277,440,500.12, 1,915,871,638.50 and 586,683,697.56 is: 879,892,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,440,500.12 : 1,915,871,638.50 = 586,683,697.56 : x
  2. Step 2: Convert to fraction form
    1,277,440,500.12/1,915,871,638.50 = 586,683,697.56/x
  3. Step 3: Cross multiply
    1,277,440,500.12x = 1,915,871,638.50 × 586,683,697.56
  4. Step 4: Simplify right side
    1,277,440,500.12x = 1,124,010,656,925,515,520
  5. Step 5: Solve for x
    x = 1,124,010,656,925,515,520/1,277,440,500.12
  6. Step 6: Final answer
    x = 879,892,767.47

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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.