Home / 555,124,127.92-766,071,301.62-307,605,482.08

Finding the Fourth Proportional to 555,124,127.92, 766,071,301.62 and 307,605,482.08

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Solution

The fourth proportional to 555,124,127.92, 766,071,301.62 and 307,605,482.08 is: 424,495,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,124,127.92 : 766,071,301.62 = 307,605,482.08 : x
  2. Step 2: Convert to fraction form
    555,124,127.92/766,071,301.62 = 307,605,482.08/x
  3. Step 3: Cross multiply
    555,124,127.92x = 766,071,301.62 × 307,605,482.08
  4. Step 4: Simplify right side
    555,124,127.92x = 235,647,732,042,473,184
  5. Step 5: Solve for x
    x = 235,647,732,042,473,184/555,124,127.92
  6. Step 6: Final answer
    x = 424,495,568.09

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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.