Home / 655,525,109.70-983,287,664.55-625,292,021.70

Finding the Fourth Proportional to 655,525,109.70, 983,287,664.55 and 625,292,021.70

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Solution

The fourth proportional to 655,525,109.70, 983,287,664.55 and 625,292,021.70 is: 937,938,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,525,109.70 : 983,287,664.55 = 625,292,021.70 : x
  2. Step 2: Convert to fraction form
    655,525,109.70/983,287,664.55 = 625,292,021.70/x
  3. Step 3: Cross multiply
    655,525,109.70x = 983,287,664.55 × 625,292,021.70
  4. Step 4: Simplify right side
    655,525,109.70x = 614,841,931,679,140,992
  5. Step 5: Solve for x
    x = 614,841,931,679,140,992/655,525,109.70
  6. Step 6: Final answer
    x = 937,938,032.55

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Similar ratio
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1.5x scale

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.