Home / 877,855,811.60-1,315,440,024.60-829,482,870.80

Finding the Fourth Proportional to 877,855,811.60, 1,315,440,024.60 and 829,482,870.80

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Solution

The fourth proportional to 877,855,811.60, 1,315,440,024.60 and 829,482,870.80 is: 1,242,954,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,855,811.60 : 1,315,440,024.60 = 829,482,870.80 : x
  2. Step 2: Convert to fraction form
    877,855,811.60/1,315,440,024.60 = 829,482,870.80/x
  3. Step 3: Cross multiply
    877,855,811.60x = 1,315,440,024.60 × 829,482,870.80
  4. Step 4: Simplify right side
    877,855,811.60x = 1,091,134,967,970,430,464
  5. Step 5: Solve for x
    x = 1,091,134,967,970,430,464/877,855,811.60
  6. Step 6: Final answer
    x = 1,242,954,655.60

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1.5x scale

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.