Home / 786,985,738.80-1,180,734,019.02-234,292,947.81

Finding the Fourth Proportional to 786,985,738.80, 1,180,734,019.02 and 234,292,947.81

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Solution

The fourth proportional to 786,985,738.80, 1,180,734,019.02 and 234,292,947.81 is: 351,515,459.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,985,738.80 : 1,180,734,019.02 = 234,292,947.81 : x
  2. Step 2: Convert to fraction form
    786,985,738.80/1,180,734,019.02 = 234,292,947.81/x
  3. Step 3: Cross multiply
    786,985,738.80x = 1,180,734,019.02 × 234,292,947.81
  4. Step 4: Simplify right side
    786,985,738.80x = 276,637,653,895,744,416
  5. Step 5: Solve for x
    x = 276,637,653,895,744,416/786,985,738.80
  6. Step 6: Final answer
    x = 351,515,459.88

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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.