Home / 869,116,510.80-1,303,674,766.20-523,892,437.20

Finding the Fourth Proportional to 869,116,510.80, 1,303,674,766.20 and 523,892,437.20

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Solution

The fourth proportional to 869,116,510.80, 1,303,674,766.20 and 523,892,437.20 is: 785,838,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,116,510.80 : 1,303,674,766.20 = 523,892,437.20 : x
  2. Step 2: Convert to fraction form
    869,116,510.80/1,303,674,766.20 = 523,892,437.20/x
  3. Step 3: Cross multiply
    869,116,510.80x = 1,303,674,766.20 × 523,892,437.20
  4. Step 4: Simplify right side
    869,116,510.80x = 682,985,350,580,658,176
  5. Step 5: Solve for x
    x = 682,985,350,580,658,176/869,116,510.80
  6. Step 6: Final answer
    x = 785,838,655.80

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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.