Home / 1,638,252,030.60-2,457,378,045.90-1,087,254,001.80

Finding the Fourth Proportional to 1,638,252,030.60, 2,457,378,045.90 and 1,087,254,001.80

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Solution

The fourth proportional to 1,638,252,030.60, 2,457,378,045.90 and 1,087,254,001.80 is: 1,630,881,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,252,030.60 : 2,457,378,045.90 = 1,087,254,001.80 : x
  2. Step 2: Convert to fraction form
    1,638,252,030.60/2,457,378,045.90 = 1,087,254,001.80/x
  3. Step 3: Cross multiply
    1,638,252,030.60x = 2,457,378,045.90 × 1,087,254,001.80
  4. Step 4: Simplify right side
    1,638,252,030.60x = 2,671,794,114,340,238,848
  5. Step 5: Solve for x
    x = 2,671,794,114,340,238,848/1,638,252,030.60
  6. Step 6: Final answer
    x = 1,630,881,002.70

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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.