Home / 847,386,263.30-1,271,055,898.40-225,606,829.70

Finding the Fourth Proportional to 847,386,263.30, 1,271,055,898.40 and 225,606,829.70

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Solution

The fourth proportional to 847,386,263.30, 1,271,055,898.40 and 225,606,829.70 is: 338,403,988.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,386,263.30 : 1,271,055,898.40 = 225,606,829.70 : x
  2. Step 2: Convert to fraction form
    847,386,263.30/1,271,055,898.40 = 225,606,829.70/x
  3. Step 3: Cross multiply
    847,386,263.30x = 1,271,055,898.40 × 225,606,829.70
  4. Step 4: Simplify right side
    847,386,263.30x = 286,758,891,609,509,312
  5. Step 5: Solve for x
    x = 286,758,891,609,509,312/847,386,263.30
  6. Step 6: Final answer
    x = 338,403,988.86

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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.