Home / 536,544,007.60-804,816,011.40-439,609,169.20

Finding the Fourth Proportional to 536,544,007.60, 804,816,011.40 and 439,609,169.20

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Solution

The fourth proportional to 536,544,007.60, 804,816,011.40 and 439,609,169.20 is: 659,413,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,544,007.60 : 804,816,011.40 = 439,609,169.20 : x
  2. Step 2: Convert to fraction form
    536,544,007.60/804,816,011.40 = 439,609,169.20/x
  3. Step 3: Cross multiply
    536,544,007.60x = 804,816,011.40 × 439,609,169.20
  4. Step 4: Simplify right side
    536,544,007.60x = 353,804,498,130,411,712
  5. Step 5: Solve for x
    x = 353,804,498,130,411,712/536,544,007.60
  6. Step 6: Final answer
    x = 659,413,753.80

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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.