Home / 1,431,809,360.07-1,975,669,256.61-805,156,768.32

Finding the Fourth Proportional to 1,431,809,360.07, 1,975,669,256.61 and 805,156,768.32

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Solution

The fourth proportional to 1,431,809,360.07, 1,975,669,256.61 and 805,156,768.32 is: 1,110,988,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,809,360.07 : 1,975,669,256.61 = 805,156,768.32 : x
  2. Step 2: Convert to fraction form
    1,431,809,360.07/1,975,669,256.61 = 805,156,768.32/x
  3. Step 3: Cross multiply
    1,431,809,360.07x = 1,975,669,256.61 × 805,156,768.32
  4. Step 4: Simplify right side
    1,431,809,360.07x = 1,590,723,473,913,875,456
  5. Step 5: Solve for x
    x = 1,590,723,473,913,875,456/1,431,809,360.07
  6. Step 6: Final answer
    x = 1,110,988,318.89

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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.