Home / 930,021,050.87-1,283,428,484.37-512,333,336.15

Finding the Fourth Proportional to 930,021,050.87, 1,283,428,484.37 and 512,333,336.15

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Solution

The fourth proportional to 930,021,050.87, 1,283,428,484.37 and 512,333,336.15 is: 707,019,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,021,050.87 : 1,283,428,484.37 = 512,333,336.15 : x
  2. Step 2: Convert to fraction form
    930,021,050.87/1,283,428,484.37 = 512,333,336.15/x
  3. Step 3: Cross multiply
    930,021,050.87x = 1,283,428,484.37 × 512,333,336.15
  4. Step 4: Simplify right side
    930,021,050.87x = 657,543,197,105,615,872
  5. Step 5: Solve for x
    x = 657,543,197,105,615,872/930,021,050.87
  6. Step 6: Final answer
    x = 707,019,692.18

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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.