Home / 510,693,698.04-766,148,147.22-165,620,417.40

Finding the Fourth Proportional to 510,693,698.04, 766,148,147.22 and 165,620,417.40

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Solution

The fourth proportional to 510,693,698.04, 766,148,147.22 and 165,620,417.40 is: 248,465,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,693,698.04 : 766,148,147.22 = 165,620,417.40 : x
  2. Step 2: Convert to fraction form
    510,693,698.04/766,148,147.22 = 165,620,417.40/x
  3. Step 3: Cross multiply
    510,693,698.04x = 766,148,147.22 × 165,620,417.40
  4. Step 4: Simplify right side
    510,693,698.04x = 126,889,775,932,813,056
  5. Step 5: Solve for x
    x = 126,889,775,932,813,056/510,693,698.04
  6. Step 6: Final answer
    x = 248,465,521.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.