Home / 1,031,626,227.69-1,423,638,130.21-561,726,423.54

Finding the Fourth Proportional to 1,031,626,227.69, 1,423,638,130.21 and 561,726,423.54

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Solution

The fourth proportional to 1,031,626,227.69, 1,423,638,130.21 and 561,726,423.54 is: 775,179,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,626,227.69 : 1,423,638,130.21 = 561,726,423.54 : x
  2. Step 2: Convert to fraction form
    1,031,626,227.69/1,423,638,130.21 = 561,726,423.54/x
  3. Step 3: Cross multiply
    1,031,626,227.69x = 1,423,638,130.21 × 561,726,423.54
  4. Step 4: Simplify right side
    1,031,626,227.69x = 799,695,155,298,036,096
  5. Step 5: Solve for x
    x = 799,695,155,298,036,096/1,031,626,227.69
  6. Step 6: Final answer
    x = 775,179,162.60

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Double scale
Find fourth proportional to 1,031,626,228.69, 1,423,638,131.59 and 561,726,424.54
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1.5x scale

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.