Home / 870,016,927.20-1,200,649,343.04-535,682,329.08

Finding the Fourth Proportional to 870,016,927.20, 1,200,649,343.04 and 535,682,329.08

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Solution

The fourth proportional to 870,016,927.20, 1,200,649,343.04 and 535,682,329.08 is: 739,257,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,016,927.20 : 1,200,649,343.04 = 535,682,329.08 : x
  2. Step 2: Convert to fraction form
    870,016,927.20/1,200,649,343.04 = 535,682,329.08/x
  3. Step 3: Cross multiply
    870,016,927.20x = 1,200,649,343.04 × 535,682,329.08
  4. Step 4: Simplify right side
    870,016,927.20x = 643,166,636,488,039,040
  5. Step 5: Solve for x
    x = 643,166,636,488,039,040/870,016,927.20
  6. Step 6: Final answer
    x = 739,257,612.56

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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.