Home / 887,600,238.69-1,224,889,764.28-491,139,938.28

Finding the Fourth Proportional to 887,600,238.69, 1,224,889,764.28 and 491,139,938.28

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Solution

The fourth proportional to 887,600,238.69, 1,224,889,764.28 and 491,139,938.28 is: 677,773,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,600,238.69 : 1,224,889,764.28 = 491,139,938.28 : x
  2. Step 2: Convert to fraction form
    887,600,238.69/1,224,889,764.28 = 491,139,938.28/x
  3. Step 3: Cross multiply
    887,600,238.69x = 1,224,889,764.28 × 491,139,938.28
  4. Step 4: Simplify right side
    887,600,238.69x = 601,592,283,226,139,648
  5. Step 5: Solve for x
    x = 601,592,283,226,139,648/887,600,238.69
  6. Step 6: Final answer
    x = 677,773,908.80

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Double scale
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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.