Home / 755,429,587.20-1,133,648,265.60-346,275,129.60

Finding the Fourth Proportional to 755,429,587.20, 1,133,648,265.60 and 346,275,129.60

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Solution

The fourth proportional to 755,429,587.20, 1,133,648,265.60 and 346,275,129.60 is: 519,643,665.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,429,587.20 : 1,133,648,265.60 = 346,275,129.60 : x
  2. Step 2: Convert to fraction form
    755,429,587.20/1,133,648,265.60 = 346,275,129.60/x
  3. Step 3: Cross multiply
    755,429,587.20x = 1,133,648,265.60 × 346,275,129.60
  4. Step 4: Simplify right side
    755,429,587.20x = 392,554,200,091,455,232
  5. Step 5: Solve for x
    x = 392,554,200,091,455,232/755,429,587.20
  6. Step 6: Final answer
    x = 519,643,665.99

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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.