Home / 818,363,742.84-1,228,321,688.82-506,528,086.69

Finding the Fourth Proportional to 818,363,742.84, 1,228,321,688.82 and 506,528,086.69

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Solution

The fourth proportional to 818,363,742.84, 1,228,321,688.82 and 506,528,086.69 is: 760,272,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,363,742.84 : 1,228,321,688.82 = 506,528,086.69 : x
  2. Step 2: Convert to fraction form
    818,363,742.84/1,228,321,688.82 = 506,528,086.69/x
  3. Step 3: Cross multiply
    818,363,742.84x = 1,228,321,688.82 × 506,528,086.69
  4. Step 4: Simplify right side
    818,363,742.84x = 622,179,434,875,291,520
  5. Step 5: Solve for x
    x = 622,179,434,875,291,520/818,363,742.84
  6. Step 6: Final answer
    x = 760,272,483.13

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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.