Home / 539,030,523.20-808,545,784.80-193,995,406.40

Finding the Fourth Proportional to 539,030,523.20, 808,545,784.80 and 193,995,406.40

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Solution

The fourth proportional to 539,030,523.20, 808,545,784.80 and 193,995,406.40 is: 290,993,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,030,523.20 : 808,545,784.80 = 193,995,406.40 : x
  2. Step 2: Convert to fraction form
    539,030,523.20/808,545,784.80 = 193,995,406.40/x
  3. Step 3: Cross multiply
    539,030,523.20x = 808,545,784.80 × 193,995,406.40
  4. Step 4: Simplify right side
    539,030,523.20x = 156,854,168,115,282,944
  5. Step 5: Solve for x
    x = 156,854,168,115,282,944/539,030,523.20
  6. Step 6: Final answer
    x = 290,993,109.60

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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.