Home / 887,385,008.73-1,224,627,407.51-490,901,182.41

Finding the Fourth Proportional to 887,385,008.73, 1,224,627,407.51 and 490,901,182.41

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Solution

The fourth proportional to 887,385,008.73, 1,224,627,407.51 and 490,901,182.41 is: 677,463,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,385,008.73 : 1,224,627,407.51 = 490,901,182.41 : x
  2. Step 2: Convert to fraction form
    887,385,008.73/1,224,627,407.51 = 490,901,182.41/x
  3. Step 3: Cross multiply
    887,385,008.73x = 1,224,627,407.51 × 490,901,182.41
  4. Step 4: Simplify right side
    887,385,008.73x = 601,171,042,355,897,472
  5. Step 5: Solve for x
    x = 601,171,042,355,897,472/887,385,008.73
  6. Step 6: Final answer
    x = 677,463,599.72

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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.