Home / 1,638,252,044.10-2,457,378,066.15-1,087,254,015.30

Finding the Fourth Proportional to 1,638,252,044.10, 2,457,378,066.15 and 1,087,254,015.30

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Solution

The fourth proportional to 1,638,252,044.10, 2,457,378,066.15 and 1,087,254,015.30 is: 1,630,881,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,252,044.10 : 2,457,378,066.15 = 1,087,254,015.30 : x
  2. Step 2: Convert to fraction form
    1,638,252,044.10/2,457,378,066.15 = 1,087,254,015.30/x
  3. Step 3: Cross multiply
    1,638,252,044.10x = 2,457,378,066.15 × 1,087,254,015.30
  4. Step 4: Simplify right side
    1,638,252,044.10x = 2,671,794,169,531,736,576
  5. Step 5: Solve for x
    x = 2,671,794,169,531,736,576/1,638,252,044.10
  6. Step 6: Final answer
    x = 1,630,881,022.95

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Double scale
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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.