Home / 1,619,862,440.18-2,429,793,666.25-455,330,931.25

Finding the Fourth Proportional to 1,619,862,440.18, 2,429,793,666.25 and 455,330,931.25

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Solution

The fourth proportional to 1,619,862,440.18, 2,429,793,666.25 and 455,330,931.25 is: 682,996,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,862,440.18 : 2,429,793,666.25 = 455,330,931.25 : x
  2. Step 2: Convert to fraction form
    1,619,862,440.18/2,429,793,666.25 = 455,330,931.25/x
  3. Step 3: Cross multiply
    1,619,862,440.18x = 2,429,793,666.25 × 455,330,931.25
  4. Step 4: Simplify right side
    1,619,862,440.18x = 1,106,360,212,806,390,016
  5. Step 5: Solve for x
    x = 1,106,360,212,806,390,016/1,619,862,440.18
  6. Step 6: Final answer
    x = 682,996,398.56

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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.