Home / 1,031,626,226.69-1,423,638,128.84-561,726,422.54

Finding the Fourth Proportional to 1,031,626,226.69, 1,423,638,128.84 and 561,726,422.54

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Solution

The fourth proportional to 1,031,626,226.69, 1,423,638,128.84 and 561,726,422.54 is: 775,179,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,626,226.69 : 1,423,638,128.84 = 561,726,422.54 : x
  2. Step 2: Convert to fraction form
    1,031,626,226.69/1,423,638,128.84 = 561,726,422.54/x
  3. Step 3: Cross multiply
    1,031,626,226.69x = 1,423,638,128.84 × 561,726,422.54
  4. Step 4: Simplify right side
    1,031,626,226.69x = 799,695,153,094,905,984
  5. Step 5: Solve for x
    x = 799,695,153,094,905,984/1,031,626,226.69
  6. Step 6: Final answer
    x = 775,179,161.22

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Double scale
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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.