Home / 1,106,208,031.86-1,659,096,785.94-319,206,355.18

Finding the Fourth Proportional to 1,106,208,031.86, 1,659,096,785.94 and 319,206,355.18

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Solution

The fourth proportional to 1,106,208,031.86, 1,659,096,785.94 and 319,206,355.18 is: 478,747,417.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,208,031.86 : 1,659,096,785.94 = 319,206,355.18 : x
  2. Step 2: Convert to fraction form
    1,106,208,031.86/1,659,096,785.94 = 319,206,355.18/x
  3. Step 3: Cross multiply
    1,106,208,031.86x = 1,659,096,785.94 × 319,206,355.18
  4. Step 4: Simplify right side
    1,106,208,031.86x = 529,594,237,930,760,128
  5. Step 5: Solve for x
    x = 529,594,237,930,760,128/1,106,208,031.86
  6. Step 6: Final answer
    x = 478,747,417.01

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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.