Home / 1,785,115,821.84-2,464,152,726.92-1,340,363,477.76

Finding the Fourth Proportional to 1,785,115,821.84, 2,464,152,726.92 and 1,340,363,477.76

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Solution

The fourth proportional to 1,785,115,821.84, 2,464,152,726.92 and 1,340,363,477.76 is: 1,850,221,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,115,821.84 : 2,464,152,726.92 = 1,340,363,477.76 : x
  2. Step 2: Convert to fraction form
    1,785,115,821.84/2,464,152,726.92 = 1,340,363,477.76/x
  3. Step 3: Cross multiply
    1,785,115,821.84x = 2,464,152,726.92 × 1,340,363,477.76
  4. Step 4: Simplify right side
    1,785,115,821.84x = 3,302,860,318,779,576,832
  5. Step 5: Solve for x
    x = 3,302,860,318,779,576,832/1,785,115,821.84
  6. Step 6: Final answer
    x = 1,850,221,861.44

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Double scale
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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.