Home / 507,852,191.80-700,127,578.20-340,618,337.92

Finding the Fourth Proportional to 507,852,191.80, 700,127,578.20 and 340,618,337.92

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Solution

The fourth proportional to 507,852,191.80, 700,127,578.20 and 340,618,337.92 is: 469,578,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,852,191.80 : 700,127,578.20 = 340,618,337.92 : x
  2. Step 2: Convert to fraction form
    507,852,191.80/700,127,578.20 = 340,618,337.92/x
  3. Step 3: Cross multiply
    507,852,191.80x = 700,127,578.20 × 340,618,337.92
  4. Step 4: Simplify right side
    507,852,191.80x = 238,476,292,018,438,848
  5. Step 5: Solve for x
    x = 238,476,292,018,438,848/507,852,191.80
  6. Step 6: Final answer
    x = 469,578,148.66

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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.