Home / 720,106,575.15-993,906,940.59-437,789,027.10

Finding the Fourth Proportional to 720,106,575.15, 993,906,940.59 and 437,789,027.10

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Solution

The fourth proportional to 720,106,575.15, 993,906,940.59 and 437,789,027.10 is: 604,246,048.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,106,575.15 : 993,906,940.59 = 437,789,027.10 : x
  2. Step 2: Convert to fraction form
    720,106,575.15/993,906,940.59 = 437,789,027.10/x
  3. Step 3: Cross multiply
    720,106,575.15x = 993,906,940.59 × 437,789,027.10
  4. Step 4: Simplify right side
    720,106,575.15x = 435,121,552,548,833,664
  5. Step 5: Solve for x
    x = 435,121,552,548,833,664/720,106,575.15
  6. Step 6: Final answer
    x = 604,246,048.52

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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.