Home / 841,608,789.30-1,161,319,528.53-465,214,528.98

Finding the Fourth Proportional to 841,608,789.30, 1,161,319,528.53 and 465,214,528.98

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Solution

The fourth proportional to 841,608,789.30, 1,161,319,528.53 and 465,214,528.98 is: 641,940,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,608,789.30 : 1,161,319,528.53 = 465,214,528.98 : x
  2. Step 2: Convert to fraction form
    841,608,789.30/1,161,319,528.53 = 465,214,528.98/x
  3. Step 3: Cross multiply
    841,608,789.30x = 1,161,319,528.53 × 465,214,528.98
  4. Step 4: Simplify right side
    841,608,789.30x = 540,262,717,460,359,616
  5. Step 5: Solve for x
    x = 540,262,717,460,359,616/841,608,789.30
  6. Step 6: Final answer
    x = 641,940,441.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.