Home / 2,808,111,353.30-4,212,167,029.95-1,430,616,281.30

Finding the Fourth Proportional to 2,808,111,353.30, 4,212,167,029.95 and 1,430,616,281.30

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Solution

The fourth proportional to 2,808,111,353.30, 4,212,167,029.95 and 1,430,616,281.30 is: 2,145,924,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,111,353.30 : 4,212,167,029.95 = 1,430,616,281.30 : x
  2. Step 2: Convert to fraction form
    2,808,111,353.30/4,212,167,029.95 = 1,430,616,281.30/x
  3. Step 3: Cross multiply
    2,808,111,353.30x = 4,212,167,029.95 × 1,430,616,281.30
  4. Step 4: Simplify right side
    2,808,111,353.30x = 6,025,994,732,601,534,464
  5. Step 5: Solve for x
    x = 6,025,994,732,601,534,464/2,808,111,353.30
  6. Step 6: Final answer
    x = 2,145,924,421.95

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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.