Home / 890,624,278.80-1,335,936,418.20-526,931,427.60

Finding the Fourth Proportional to 890,624,278.80, 1,335,936,418.20 and 526,931,427.60

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Solution

The fourth proportional to 890,624,278.80, 1,335,936,418.20 and 526,931,427.60 is: 790,397,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,624,278.80 : 1,335,936,418.20 = 526,931,427.60 : x
  2. Step 2: Convert to fraction form
    890,624,278.80/1,335,936,418.20 = 526,931,427.60/x
  3. Step 3: Cross multiply
    890,624,278.80x = 1,335,936,418.20 × 526,931,427.60
  4. Step 4: Simplify right side
    890,624,278.80x = 703,946,884,024,956,672
  5. Step 5: Solve for x
    x = 703,946,884,024,956,672/890,624,278.80
  6. Step 6: Final answer
    x = 790,397,141.40

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Double scale
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Similar ratio
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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.