Home / 890,624,388.80-1,335,936,583.20-526,931,537.60

Finding the Fourth Proportional to 890,624,388.80, 1,335,936,583.20 and 526,931,537.60

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Solution

The fourth proportional to 890,624,388.80, 1,335,936,583.20 and 526,931,537.60 is: 790,397,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,624,388.80 : 1,335,936,583.20 = 526,931,537.60 : x
  2. Step 2: Convert to fraction form
    890,624,388.80/1,335,936,583.20 = 526,931,537.60/x
  3. Step 3: Cross multiply
    890,624,388.80x = 1,335,936,583.20 × 526,931,537.60
  4. Step 4: Simplify right side
    890,624,388.80x = 703,947,117,921,666,432
  5. Step 5: Solve for x
    x = 703,947,117,921,666,432/890,624,388.80
  6. Step 6: Final answer
    x = 790,397,306.40

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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.