Home / 739,242,776.24-1,108,490,501.52-432,627,009.20

Finding the Fourth Proportional to 739,242,776.24, 1,108,490,501.52 and 432,627,009.20

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Solution

The fourth proportional to 739,242,776.24, 1,108,490,501.52 and 432,627,009.20 is: 648,721,835.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,242,776.24 : 1,108,490,501.52 = 432,627,009.20 : x
  2. Step 2: Convert to fraction form
    739,242,776.24/1,108,490,501.52 = 432,627,009.20/x
  3. Step 3: Cross multiply
    739,242,776.24x = 1,108,490,501.52 × 432,627,009.20
  4. Step 4: Simplify right side
    739,242,776.24x = 479,562,930,399,205,632
  5. Step 5: Solve for x
    x = 479,562,930,399,205,632/739,242,776.24
  6. Step 6: Final answer
    x = 648,721,835.12

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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.