Home / 555,146,045.08-766,106,105.34-307,631,532.76

Finding the Fourth Proportional to 555,146,045.08, 766,106,105.34 and 307,631,532.76

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Solution

The fourth proportional to 555,146,045.08, 766,106,105.34 and 307,631,532.76 is: 424,534,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,146,045.08 : 766,106,105.34 = 307,631,532.76 : x
  2. Step 2: Convert to fraction form
    555,146,045.08/766,106,105.34 = 307,631,532.76/x
  3. Step 3: Cross multiply
    555,146,045.08x = 766,106,105.34 × 307,631,532.76
  4. Step 4: Simplify right side
    555,146,045.08x = 235,678,395,442,538,208
  5. Step 5: Solve for x
    x = 235,678,395,442,538,208/555,146,045.08
  6. Step 6: Final answer
    x = 424,534,043.85

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Double scale
Find fourth proportional to 555,146,046.08, 766,106,106.72 and 307,631,533.76
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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.