Home / 472,751,181.48-647,666,094.89-455,072,516.76

Finding the Fourth Proportional to 472,751,181.48, 647,666,094.89 and 455,072,516.76

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Solution

The fourth proportional to 472,751,181.48, 647,666,094.89 and 455,072,516.76 is: 623,446,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,751,181.48 : 647,666,094.89 = 455,072,516.76 : x
  2. Step 2: Convert to fraction form
    472,751,181.48/647,666,094.89 = 455,072,516.76/x
  3. Step 3: Cross multiply
    472,751,181.48x = 647,666,094.89 × 455,072,516.76
  4. Step 4: Simplify right side
    472,751,181.48x = 294,735,039,821,713,280
  5. Step 5: Solve for x
    x = 294,735,039,821,713,280/472,751,181.48
  6. Step 6: Final answer
    x = 623,446,437.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.