Home / 1,363,582,332.78-2,045,361,162.66-430,905,333.90

Finding the Fourth Proportional to 1,363,582,332.78, 2,045,361,162.66 and 430,905,333.90

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Solution

The fourth proportional to 1,363,582,332.78, 2,045,361,162.66 and 430,905,333.90 is: 646,354,102.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,582,332.78 : 2,045,361,162.66 = 430,905,333.90 : x
  2. Step 2: Convert to fraction form
    1,363,582,332.78/2,045,361,162.66 = 430,905,333.90/x
  3. Step 3: Cross multiply
    1,363,582,332.78x = 2,045,361,162.66 × 430,905,333.90
  4. Step 4: Simplify right side
    1,363,582,332.78x = 881,357,034,742,099,456
  5. Step 5: Solve for x
    x = 881,357,034,742,099,456/1,363,582,332.78
  6. Step 6: Final answer
    x = 646,354,102.39

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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.