Home / 456,749,448.22-630,314,929.83-247,905,666.46

Finding the Fourth Proportional to 456,749,448.22, 630,314,929.83 and 247,905,666.46

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Solution

The fourth proportional to 456,749,448.22, 630,314,929.83 and 247,905,666.46 is: 342,110,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,749,448.22 : 630,314,929.83 = 247,905,666.46 : x
  2. Step 2: Convert to fraction form
    456,749,448.22/630,314,929.83 = 247,905,666.46/x
  3. Step 3: Cross multiply
    456,749,448.22x = 630,314,929.83 × 247,905,666.46
  4. Step 4: Simplify right side
    456,749,448.22x = 156,258,642,759,194,304
  5. Step 5: Solve for x
    x = 156,258,642,759,194,304/456,749,448.22
  6. Step 6: Final answer
    x = 342,110,194.92

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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.