Home / 631,102,878.20-946,206,419.70-286,221,726.20

Finding the Fourth Proportional to 631,102,878.20, 946,206,419.70 and 286,221,726.20

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Solution

The fourth proportional to 631,102,878.20, 946,206,419.70 and 286,221,726.20 is: 429,129,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,102,878.20 : 946,206,419.70 = 286,221,726.20 : x
  2. Step 2: Convert to fraction form
    631,102,878.20/946,206,419.70 = 286,221,726.20/x
  3. Step 3: Cross multiply
    631,102,878.20x = 946,206,419.70 × 286,221,726.20
  4. Step 4: Simplify right side
    631,102,878.20x = 270,824,834,788,055,680
  5. Step 5: Solve for x
    x = 270,824,834,788,055,680/631,102,878.20
  6. Step 6: Final answer
    x = 429,129,455.98

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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.