Home / 890,624,281.80-1,335,936,422.70-526,931,430.60

Finding the Fourth Proportional to 890,624,281.80, 1,335,936,422.70 and 526,931,430.60

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Solution

The fourth proportional to 890,624,281.80, 1,335,936,422.70 and 526,931,430.60 is: 790,397,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,624,281.80 : 1,335,936,422.70 = 526,931,430.60 : x
  2. Step 2: Convert to fraction form
    890,624,281.80/1,335,936,422.70 = 526,931,430.60/x
  3. Step 3: Cross multiply
    890,624,281.80x = 1,335,936,422.70 × 526,931,430.60
  4. Step 4: Simplify right side
    890,624,281.80x = 703,946,890,403,957,376
  5. Step 5: Solve for x
    x = 703,946,890,403,957,376/890,624,281.80
  6. Step 6: Final answer
    x = 790,397,145.90

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Double scale
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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.