Home / 614,196,220.80-921,294,335.52-205,252,371.84

Finding the Fourth Proportional to 614,196,220.80, 921,294,335.52 and 205,252,371.84

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Solution

The fourth proportional to 614,196,220.80, 921,294,335.52 and 205,252,371.84 is: 307,878,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,196,220.80 : 921,294,335.52 = 205,252,371.84 : x
  2. Step 2: Convert to fraction form
    614,196,220.80/921,294,335.52 = 205,252,371.84/x
  3. Step 3: Cross multiply
    614,196,220.80x = 921,294,335.52 × 205,252,371.84
  4. Step 4: Simplify right side
    614,196,220.80x = 189,097,847,528,236,768
  5. Step 5: Solve for x
    x = 189,097,847,528,236,768/614,196,220.80
  6. Step 6: Final answer
    x = 307,878,559.20

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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.