Home / 456,752,900.58-630,317,413.44-247,909,042.68

Finding the Fourth Proportional to 456,752,900.58, 630,317,413.44 and 247,909,042.68

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Solution

The fourth proportional to 456,752,900.58, 630,317,413.44 and 247,909,042.68 is: 342,113,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,752,900.58 : 630,317,413.44 = 247,909,042.68 : x
  2. Step 2: Convert to fraction form
    456,752,900.58/630,317,413.44 = 247,909,042.68/x
  3. Step 3: Cross multiply
    456,752,900.58x = 630,317,413.44 × 247,909,042.68
  4. Step 4: Simplify right side
    456,752,900.58x = 156,261,386,550,444,192
  5. Step 5: Solve for x
    x = 156,261,386,550,444,192/456,752,900.58
  6. Step 6: Final answer
    x = 342,113,616.25

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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.