Home / 865,919,289.40-1,194,977,983.41-508,702,123.33

Finding the Fourth Proportional to 865,919,289.40, 1,194,977,983.41 and 508,702,123.33

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Solution

The fourth proportional to 865,919,289.40, 1,194,977,983.41 and 508,702,123.33 is: 702,014,431.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,919,289.40 : 1,194,977,983.41 = 508,702,123.33 : x
  2. Step 2: Convert to fraction form
    865,919,289.40/1,194,977,983.41 = 508,702,123.33/x
  3. Step 3: Cross multiply
    865,919,289.40x = 1,194,977,983.41 × 508,702,123.33
  4. Step 4: Simplify right side
    865,919,289.40x = 607,887,837,490,281,088
  5. Step 5: Solve for x
    x = 607,887,837,490,281,088/865,919,289.40
  6. Step 6: Final answer
    x = 702,014,431.29

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Double scale
Find fourth proportional to 865,919,290.40, 1,194,977,984.79 and 508,702,124.33
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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.