Home / 674,136,562.80-1,009,693,189.80-553,204,210.80

Finding the Fourth Proportional to 674,136,562.80, 1,009,693,189.80 and 553,204,210.80

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Solution

The fourth proportional to 674,136,562.80, 1,009,693,189.80 and 553,204,210.80 is: 828,565,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,136,562.80 : 1,009,693,189.80 = 553,204,210.80 : x
  2. Step 2: Convert to fraction form
    674,136,562.80/1,009,693,189.80 = 553,204,210.80/x
  3. Step 3: Cross multiply
    674,136,562.80x = 1,009,693,189.80 × 553,204,210.80
  4. Step 4: Simplify right side
    674,136,562.80x = 558,566,524,213,443,520
  5. Step 5: Solve for x
    x = 558,566,524,213,443,520/674,136,562.80
  6. Step 6: Final answer
    x = 828,565,835.23

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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.