Home / 882,171,011.20-1,323,256,516.80-868,566,121.60

Finding the Fourth Proportional to 882,171,011.20, 1,323,256,516.80 and 868,566,121.60

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Solution

The fourth proportional to 882,171,011.20, 1,323,256,516.80 and 868,566,121.60 is: 1,302,849,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,171,011.20 : 1,323,256,516.80 = 868,566,121.60 : x
  2. Step 2: Convert to fraction form
    882,171,011.20/1,323,256,516.80 = 868,566,121.60/x
  3. Step 3: Cross multiply
    882,171,011.20x = 1,323,256,516.80 × 868,566,121.60
  4. Step 4: Simplify right side
    882,171,011.20x = 1,149,335,780,678,901,248
  5. Step 5: Solve for x
    x = 1,149,335,780,678,901,248/882,171,011.20
  6. Step 6: Final answer
    x = 1,302,849,182.40

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1.5x scale

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.