Home / 853,012,476.40-1,279,518,714.60-723,872,313.40

Finding the Fourth Proportional to 853,012,476.40, 1,279,518,714.60 and 723,872,313.40

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Solution

The fourth proportional to 853,012,476.40, 1,279,518,714.60 and 723,872,313.40 is: 1,085,808,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,012,476.40 : 1,279,518,714.60 = 723,872,313.40 : x
  2. Step 2: Convert to fraction form
    853,012,476.40/1,279,518,714.60 = 723,872,313.40/x
  3. Step 3: Cross multiply
    853,012,476.40x = 1,279,518,714.60 × 723,872,313.40
  4. Step 4: Simplify right side
    853,012,476.40x = 926,208,171,976,096,256
  5. Step 5: Solve for x
    x = 926,208,171,976,096,256/853,012,476.40
  6. Step 6: Final answer
    x = 1,085,808,470.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.