Home / 8,721,578,649.42-12,035,717,309.79-4,761,280,317.42

Finding the Fourth Proportional to 8,721,578,649.42, 12,035,717,309.79 and 4,761,280,317.42

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Solution

The fourth proportional to 8,721,578,649.42, 12,035,717,309.79 and 4,761,280,317.42 is: 6,570,533,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,578,649.42 : 12,035,717,309.79 = 4,761,280,317.42 : x
  2. Step 2: Convert to fraction form
    8,721,578,649.42/12,035,717,309.79 = 4,761,280,317.42/x
  3. Step 3: Cross multiply
    8,721,578,649.42x = 12,035,717,309.79 × 4,761,280,317.42
  4. Step 4: Simplify right side
    8,721,578,649.42x = 57,305,423,933,134,323,712
  5. Step 5: Solve for x
    x = 57,305,423,933,134,323,712/8,721,578,649.42
  6. Step 6: Final answer
    x = 6,570,533,413.35

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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.