Home / 840,303,527.40-1,260,455,291.10-534,949,338.60

Finding the Fourth Proportional to 840,303,527.40, 1,260,455,291.10 and 534,949,338.60

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Solution

The fourth proportional to 840,303,527.40, 1,260,455,291.10 and 534,949,338.60 is: 802,424,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,303,527.40 : 1,260,455,291.10 = 534,949,338.60 : x
  2. Step 2: Convert to fraction form
    840,303,527.40/1,260,455,291.10 = 534,949,338.60/x
  3. Step 3: Cross multiply
    840,303,527.40x = 1,260,455,291.10 × 534,949,338.60
  4. Step 4: Simplify right side
    840,303,527.40x = 674,279,724,308,815,488
  5. Step 5: Solve for x
    x = 674,279,724,308,815,488/840,303,527.40
  6. Step 6: Final answer
    x = 802,424,007.90

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Double scale
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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.