Home / 1,168,784,490.96-1,612,948,706.39-666,983,284.13

Finding the Fourth Proportional to 1,168,784,490.96, 1,612,948,706.39 and 666,983,284.13

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Solution

The fourth proportional to 1,168,784,490.96, 1,612,948,706.39 and 666,983,284.13 is: 920,451,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,784,490.96 : 1,612,948,706.39 = 666,983,284.13 : x
  2. Step 2: Convert to fraction form
    1,168,784,490.96/1,612,948,706.39 = 666,983,284.13/x
  3. Step 3: Cross multiply
    1,168,784,490.96x = 1,612,948,706.39 × 666,983,284.13
  4. Step 4: Simplify right side
    1,168,784,490.96x = 1,075,809,825,326,904,832
  5. Step 5: Solve for x
    x = 1,075,809,825,326,904,832/1,168,784,490.96
  6. Step 6: Final answer
    x = 920,451,831.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.