Home / 876,103,014.80-1,314,154,522.20-531,445,811.60

Finding the Fourth Proportional to 876,103,014.80, 1,314,154,522.20 and 531,445,811.60

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Solution

The fourth proportional to 876,103,014.80, 1,314,154,522.20 and 531,445,811.60 is: 797,168,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,103,014.80 : 1,314,154,522.20 = 531,445,811.60 : x
  2. Step 2: Convert to fraction form
    876,103,014.80/1,314,154,522.20 = 531,445,811.60/x
  3. Step 3: Cross multiply
    876,103,014.80x = 1,314,154,522.20 × 531,445,811.60
  4. Step 4: Simplify right side
    876,103,014.80x = 698,401,916,618,389,248
  5. Step 5: Solve for x
    x = 698,401,916,618,389,248/876,103,014.80
  6. Step 6: Final answer
    x = 797,168,717.40

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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.