Home / 555,124,113.92-766,071,282.30-307,605,468.08

Finding the Fourth Proportional to 555,124,113.92, 766,071,282.30 and 307,605,468.08

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Solution

The fourth proportional to 555,124,113.92, 766,071,282.30 and 307,605,468.08 is: 424,495,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,124,113.92 : 766,071,282.30 = 307,605,468.08 : x
  2. Step 2: Convert to fraction form
    555,124,113.92/766,071,282.30 = 307,605,468.08/x
  3. Step 3: Cross multiply
    555,124,113.92x = 766,071,282.30 × 307,605,468.08
  4. Step 4: Simplify right side
    555,124,113.92x = 235,647,715,374,537,280
  5. Step 5: Solve for x
    x = 235,647,715,374,537,280/555,124,113.92
  6. Step 6: Final answer
    x = 424,495,548.77

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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.