Home / 1,002,316,972.58-1,503,532,914.38-265,367,727.50

Finding the Fourth Proportional to 1,002,316,972.58, 1,503,532,914.38 and 265,367,727.50

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Solution

The fourth proportional to 1,002,316,972.58, 1,503,532,914.38 and 265,367,727.50 is: 398,066,802.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,316,972.58 : 1,503,532,914.38 = 265,367,727.50 : x
  2. Step 2: Convert to fraction form
    1,002,316,972.58/1,503,532,914.38 = 265,367,727.50/x
  3. Step 3: Cross multiply
    1,002,316,972.58x = 1,503,532,914.38 × 265,367,727.50
  4. Step 4: Simplify right side
    1,002,316,972.58x = 398,989,112,702,955,072
  5. Step 5: Solve for x
    x = 398,989,112,702,955,072/1,002,316,972.58
  6. Step 6: Final answer
    x = 398,066,802.84

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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.