Home / 456,749,624.09-630,314,947.73-247,905,809.79

Finding the Fourth Proportional to 456,749,624.09, 630,314,947.73 and 247,905,809.79

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Solution

The fourth proportional to 456,749,624.09, 630,314,947.73 and 247,905,809.79 is: 342,110,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,749,624.09 : 630,314,947.73 = 247,905,809.79 : x
  2. Step 2: Convert to fraction form
    456,749,624.09/630,314,947.73 = 247,905,809.79/x
  3. Step 3: Cross multiply
    456,749,624.09x = 630,314,947.73 × 247,905,809.79
  4. Step 4: Simplify right side
    456,749,624.09x = 156,258,737,538,507,648
  5. Step 5: Solve for x
    x = 156,258,737,538,507,648/456,749,624.09
  6. Step 6: Final answer
    x = 342,110,270.70

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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.