Home / 1,164,147,110.40-1,746,463,276.80-388,033,881.60

Finding the Fourth Proportional to 1,164,147,110.40, 1,746,463,276.80 and 388,033,881.60

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Solution

The fourth proportional to 1,164,147,110.40, 1,746,463,276.80 and 388,033,881.60 is: 582,131,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,147,110.40 : 1,746,463,276.80 = 388,033,881.60 : x
  2. Step 2: Convert to fraction form
    1,164,147,110.40/1,746,463,276.80 = 388,033,881.60/x
  3. Step 3: Cross multiply
    1,164,147,110.40x = 1,746,463,276.80 × 388,033,881.60
  4. Step 4: Simplify right side
    1,164,147,110.40x = 677,686,924,368,559,232
  5. Step 5: Solve for x
    x = 677,686,924,368,559,232/1,164,147,110.40
  6. Step 6: Final answer
    x = 582,131,689.64

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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.