Home / 389,207,806.41-537,106,425.84-219,697,724

Finding the Fourth Proportional to 389,207,806.41, 537,106,425.84 and 219,697,724

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Solution

The fourth proportional to 389,207,806.41, 537,106,425.84 and 219,697,724 is: 303,182,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,207,806.41 : 537,106,425.84 = 219,697,724 : x
  2. Step 2: Convert to fraction form
    389,207,806.41/537,106,425.84 = 219,697,724/x
  3. Step 3: Cross multiply
    389,207,806.41x = 537,106,425.84 × 219,697,724
  4. Step 4: Simplify right side
    389,207,806.41x = 118,001,059,301,724,304
  5. Step 5: Solve for x
    x = 118,001,059,301,724,304/389,207,806.41
  6. Step 6: Final answer
    x = 303,182,663.25

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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.