Home / 890,962,175.60-1,336,443,263.40-830,495,999.60

Finding the Fourth Proportional to 890,962,175.60, 1,336,443,263.40 and 830,495,999.60

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Solution

The fourth proportional to 890,962,175.60, 1,336,443,263.40 and 830,495,999.60 is: 1,245,743,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,962,175.60 : 1,336,443,263.40 = 830,495,999.60 : x
  2. Step 2: Convert to fraction form
    890,962,175.60/1,336,443,263.40 = 830,495,999.60/x
  3. Step 3: Cross multiply
    890,962,175.60x = 1,336,443,263.40 × 830,495,999.60
  4. Step 4: Simplify right side
    890,962,175.60x = 1,109,910,783,946,069,248
  5. Step 5: Solve for x
    x = 1,109,910,783,946,069,248/890,962,175.60
  6. Step 6: Final answer
    x = 1,245,743,999.40

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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.