Home / 818,363,742.67-1,228,321,688.55-506,528,086.52

Finding the Fourth Proportional to 818,363,742.67, 1,228,321,688.55 and 506,528,086.52

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Solution

The fourth proportional to 818,363,742.67, 1,228,321,688.55 and 506,528,086.52 is: 760,272,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,363,742.67 : 1,228,321,688.55 = 506,528,086.52 : x
  2. Step 2: Convert to fraction form
    818,363,742.67/1,228,321,688.55 = 506,528,086.52/x
  3. Step 3: Cross multiply
    818,363,742.67x = 1,228,321,688.55 × 506,528,086.52
  4. Step 4: Simplify right side
    818,363,742.67x = 622,179,434,532,246,784
  5. Step 5: Solve for x
    x = 622,179,434,532,246,784/818,363,742.67
  6. Step 6: Final answer
    x = 760,272,482.87

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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.