Home / 535,879,320-803,816,730.72-208,583,076.84

Finding the Fourth Proportional to 535,879,320, 803,816,730.72 and 208,583,076.84

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Solution

The fourth proportional to 535,879,320, 803,816,730.72 and 208,583,076.84 is: 312,873,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,879,320 : 803,816,730.72 = 208,583,076.84 : x
  2. Step 2: Convert to fraction form
    535,879,320/803,816,730.72 = 208,583,076.84/x
  3. Step 3: Cross multiply
    535,879,320x = 803,816,730.72 × 208,583,076.84
  4. Step 4: Simplify right side
    535,879,320x = 167,662,566,909,047,360
  5. Step 5: Solve for x
    x = 167,662,566,909,047,360/535,879,320
  6. Step 6: Final answer
    x = 312,873,739.76

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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.