Home / 890,252,468.40-1,334,756,622.60-526,559,617.20

Finding the Fourth Proportional to 890,252,468.40, 1,334,756,622.60 and 526,559,617.20

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Solution

The fourth proportional to 890,252,468.40, 1,334,756,622.60 and 526,559,617.20 is: 789,471,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,252,468.40 : 1,334,756,622.60 = 526,559,617.20 : x
  2. Step 2: Convert to fraction form
    890,252,468.40/1,334,756,622.60 = 526,559,617.20/x
  3. Step 3: Cross multiply
    890,252,468.40x = 1,334,756,622.60 × 526,559,617.20
  4. Step 4: Simplify right side
    890,252,468.40x = 702,828,936,251,420,800
  5. Step 5: Solve for x
    x = 702,828,936,251,420,800/890,252,468.40
  6. Step 6: Final answer
    x = 789,471,482.75

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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.