Home / 647,230,048.40-970,873,411.80-187,214,718.80

Finding the Fourth Proportional to 647,230,048.40, 970,873,411.80 and 187,214,718.80

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Solution

The fourth proportional to 647,230,048.40, 970,873,411.80 and 187,214,718.80 is: 280,830,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,230,048.40 : 970,873,411.80 = 187,214,718.80 : x
  2. Step 2: Convert to fraction form
    647,230,048.40/970,873,411.80 = 187,214,718.80/x
  3. Step 3: Cross multiply
    647,230,048.40x = 970,873,411.80 × 187,214,718.80
  4. Step 4: Simplify right side
    647,230,048.40x = 181,761,792,780,533,600
  5. Step 5: Solve for x
    x = 181,761,792,780,533,600/647,230,048.40
  6. Step 6: Final answer
    x = 280,830,275.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.