Home / 542,877,594.84-749,111,137.10-304,668,143.72

Finding the Fourth Proportional to 542,877,594.84, 749,111,137.10 and 304,668,143.72

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Solution

The fourth proportional to 542,877,594.84, 749,111,137.10 and 304,668,143.72 is: 420,408,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,877,594.84 : 749,111,137.10 = 304,668,143.72 : x
  2. Step 2: Convert to fraction form
    542,877,594.84/749,111,137.10 = 304,668,143.72/x
  3. Step 3: Cross multiply
    542,877,594.84x = 749,111,137.10 × 304,668,143.72
  4. Step 4: Simplify right side
    542,877,594.84x = 228,230,299,578,918,208
  5. Step 5: Solve for x
    x = 228,230,299,578,918,208/542,877,594.84
  6. Step 6: Final answer
    x = 420,408,397.30

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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.