Home / 1,646,833,791.32-2,470,390,190.28-526,518,962.45

Finding the Fourth Proportional to 1,646,833,791.32, 2,470,390,190.28 and 526,518,962.45

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Solution

The fourth proportional to 1,646,833,791.32, 2,470,390,190.28 and 526,518,962.45 is: 789,823,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,833,791.32 : 2,470,390,190.28 = 526,518,962.45 : x
  2. Step 2: Convert to fraction form
    1,646,833,791.32/2,470,390,190.28 = 526,518,962.45/x
  3. Step 3: Cross multiply
    1,646,833,791.32x = 2,470,390,190.28 × 526,518,962.45
  4. Step 4: Simplify right side
    1,646,833,791.32x = 1,300,707,279,839,059,712
  5. Step 5: Solve for x
    x = 1,300,707,279,839,059,712/1,646,833,791.32
  6. Step 6: Final answer
    x = 789,823,045.10

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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.