Home / 1,164,134,416.40-1,746,444,235.80-388,021,187.60

Finding the Fourth Proportional to 1,164,134,416.40, 1,746,444,235.80 and 388,021,187.60

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Solution

The fourth proportional to 1,164,134,416.40, 1,746,444,235.80 and 388,021,187.60 is: 582,112,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,134,416.40 : 1,746,444,235.80 = 388,021,187.60 : x
  2. Step 2: Convert to fraction form
    1,164,134,416.40/1,746,444,235.80 = 388,021,187.60/x
  3. Step 3: Cross multiply
    1,164,134,416.40x = 1,746,444,235.80 × 388,021,187.60
  4. Step 4: Simplify right side
    1,164,134,416.40x = 677,657,366,452,290,432
  5. Step 5: Solve for x
    x = 677,657,366,452,290,432/1,164,134,416.40
  6. Step 6: Final answer
    x = 582,112,646.88

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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.