Home / 288,636,705.88-398,348,342.09-175,614,221.51

Finding the Fourth Proportional to 288,636,705.88, 398,348,342.09 and 175,614,221.51

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Solution

The fourth proportional to 288,636,705.88, 398,348,342.09 and 175,614,221.51 is: 242,365,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,636,705.88 : 398,348,342.09 = 175,614,221.51 : x
  2. Step 2: Convert to fraction form
    288,636,705.88/398,348,342.09 = 175,614,221.51/x
  3. Step 3: Cross multiply
    288,636,705.88x = 398,348,342.09 × 175,614,221.51
  4. Step 4: Simplify right side
    288,636,705.88x = 69,955,633,983,064,696
  5. Step 5: Solve for x
    x = 69,955,633,983,064,696/288,636,705.88
  6. Step 6: Final answer
    x = 242,365,688.63

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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.