Home / 469,621,139.42-648,006,871.56-268,646,059.46

Finding the Fourth Proportional to 469,621,139.42, 648,006,871.56 and 268,646,059.46

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Solution

The fourth proportional to 469,621,139.42, 648,006,871.56 and 268,646,059.46 is: 370,691,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,621,139.42 : 648,006,871.56 = 268,646,059.46 : x
  2. Step 2: Convert to fraction form
    469,621,139.42/648,006,871.56 = 268,646,059.46/x
  3. Step 3: Cross multiply
    469,621,139.42x = 648,006,871.56 × 268,646,059.46
  4. Step 4: Simplify right side
    469,621,139.42x = 174,084,492,547,596,320
  5. Step 5: Solve for x
    x = 174,084,492,547,596,320/469,621,139.42
  6. Step 6: Final answer
    x = 370,691,346.57

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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.