Home / 736,799,808.66-1,017,242,611.12-469,026,728.67

Finding the Fourth Proportional to 736,799,808.66, 1,017,242,611.12 and 469,026,728.67

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Solution

The fourth proportional to 736,799,808.66, 1,017,242,611.12 and 469,026,728.67 is: 647,548,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,799,808.66 : 1,017,242,611.12 = 469,026,728.67 : x
  2. Step 2: Convert to fraction form
    736,799,808.66/1,017,242,611.12 = 469,026,728.67/x
  3. Step 3: Cross multiply
    736,799,808.66x = 1,017,242,611.12 × 469,026,728.67
  4. Step 4: Simplify right side
    736,799,808.66x = 477,113,974,157,342,592
  5. Step 5: Solve for x
    x = 477,113,974,157,342,592/736,799,808.66
  6. Step 6: Final answer
    x = 647,548,993.02

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1.5x scale

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.