Home / 556,572,032.80-834,858,049.20-193,103,130.40

Finding the Fourth Proportional to 556,572,032.80, 834,858,049.20 and 193,103,130.40

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Solution

The fourth proportional to 556,572,032.80, 834,858,049.20 and 193,103,130.40 is: 289,654,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,572,032.80 : 834,858,049.20 = 193,103,130.40 : x
  2. Step 2: Convert to fraction form
    556,572,032.80/834,858,049.20 = 193,103,130.40/x
  3. Step 3: Cross multiply
    556,572,032.80x = 834,858,049.20 × 193,103,130.40
  4. Step 4: Simplify right side
    556,572,032.80x = 161,213,702,740,157,216
  5. Step 5: Solve for x
    x = 161,213,702,740,157,216/556,572,032.80
  6. Step 6: Final answer
    x = 289,654,695.60

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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.