Home / 464,421,059.76-640,756,775.88-263,444,811.24

Finding the Fourth Proportional to 464,421,059.76, 640,756,775.88 and 263,444,811.24

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Solution

The fourth proportional to 464,421,059.76, 640,756,775.88 and 263,444,811.24 is: 363,471,992.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,421,059.76 : 640,756,775.88 = 263,444,811.24 : x
  2. Step 2: Convert to fraction form
    464,421,059.76/640,756,775.88 = 263,444,811.24/x
  3. Step 3: Cross multiply
    464,421,059.76x = 640,756,775.88 × 263,444,811.24
  4. Step 4: Simplify right side
    464,421,059.76x = 168,804,047,872,457,600
  5. Step 5: Solve for x
    x = 168,804,047,872,457,600/464,421,059.76
  6. Step 6: Final answer
    x = 363,471,992.33

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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.