Home / 1,140,576,028.29-1,710,587,520.78-311,533,554.93

Finding the Fourth Proportional to 1,140,576,028.29, 1,710,587,520.78 and 311,533,554.93

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Solution

The fourth proportional to 1,140,576,028.29, 1,710,587,520.78 and 311,533,554.93 is: 467,224,804.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,576,028.29 : 1,710,587,520.78 = 311,533,554.93 : x
  2. Step 2: Convert to fraction form
    1,140,576,028.29/1,710,587,520.78 = 311,533,554.93/x
  3. Step 3: Cross multiply
    1,140,576,028.29x = 1,710,587,520.78 × 311,533,554.93
  4. Step 4: Simplify right side
    1,140,576,028.29x = 532,905,411,367,488,640
  5. Step 5: Solve for x
    x = 532,905,411,367,488,640/1,140,576,028.29
  6. Step 6: Final answer
    x = 467,224,804.09

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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.