Home / 1,140,576,026.79-1,710,587,518.53-311,533,553.43

Finding the Fourth Proportional to 1,140,576,026.79, 1,710,587,518.53 and 311,533,553.43

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Solution

The fourth proportional to 1,140,576,026.79, 1,710,587,518.53 and 311,533,553.43 is: 467,224,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,576,026.79 : 1,710,587,518.53 = 311,533,553.43 : x
  2. Step 2: Convert to fraction form
    1,140,576,026.79/1,710,587,518.53 = 311,533,553.43/x
  3. Step 3: Cross multiply
    1,140,576,026.79x = 1,710,587,518.53 × 311,533,553.43
  4. Step 4: Simplify right side
    1,140,576,026.79x = 532,905,408,094,649,216
  5. Step 5: Solve for x
    x = 532,905,408,094,649,216/1,140,576,026.79
  6. Step 6: Final answer
    x = 467,224,801.83

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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.