Home / 885,873,628.80-1,329,042,686.40-340,632,950.40

Finding the Fourth Proportional to 885,873,628.80, 1,329,042,686.40 and 340,632,950.40

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Solution

The fourth proportional to 885,873,628.80, 1,329,042,686.40 and 340,632,950.40 is: 511,038,726.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,873,628.80 : 1,329,042,686.40 = 340,632,950.40 : x
  2. Step 2: Convert to fraction form
    885,873,628.80/1,329,042,686.40 = 340,632,950.40/x
  3. Step 3: Cross multiply
    885,873,628.80x = 1,329,042,686.40 × 340,632,950.40
  4. Step 4: Simplify right side
    885,873,628.80x = 452,715,731,475,973,952
  5. Step 5: Solve for x
    x = 452,715,731,475,973,952/885,873,628.80
  6. Step 6: Final answer
    x = 511,038,726.92

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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.