Home / 1,164,133,214.40-1,746,442,432.80-388,019,985.60

Finding the Fourth Proportional to 1,164,133,214.40, 1,746,442,432.80 and 388,019,985.60

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Solution

The fourth proportional to 1,164,133,214.40, 1,746,442,432.80 and 388,019,985.60 is: 582,110,843.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,133,214.40 : 1,746,442,432.80 = 388,019,985.60 : x
  2. Step 2: Convert to fraction form
    1,164,133,214.40/1,746,442,432.80 = 388,019,985.60/x
  3. Step 3: Cross multiply
    1,164,133,214.40x = 1,746,442,432.80 × 388,019,985.60
  4. Step 4: Simplify right side
    1,164,133,214.40x = 677,654,567,626,284,928
  5. Step 5: Solve for x
    x = 677,654,567,626,284,928/1,164,133,214.40
  6. Step 6: Final answer
    x = 582,110,843.71

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Half scale
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Double scale
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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.