Home / 1,042,939,263.06-1,564,409,456.36-387,805,163.22

Finding the Fourth Proportional to 1,042,939,263.06, 1,564,409,456.36 and 387,805,163.22

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Solution

The fourth proportional to 1,042,939,263.06, 1,564,409,456.36 and 387,805,163.22 is: 581,707,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,939,263.06 : 1,564,409,456.36 = 387,805,163.22 : x
  2. Step 2: Convert to fraction form
    1,042,939,263.06/1,564,409,456.36 = 387,805,163.22/x
  3. Step 3: Cross multiply
    1,042,939,263.06x = 1,564,409,456.36 × 387,805,163.22
  4. Step 4: Simplify right side
    1,042,939,263.06x = 606,686,064,564,662,272
  5. Step 5: Solve for x
    x = 606,686,064,564,662,272/1,042,939,263.06
  6. Step 6: Final answer
    x = 581,707,953.72

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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.