Home / 10,353,779,969.40-15,530,669,954.10-8,631,911,129.40

Finding the Fourth Proportional to 10,353,779,969.40, 15,530,669,954.10 and 8,631,911,129.40

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Solution

The fourth proportional to 10,353,779,969.40, 15,530,669,954.10 and 8,631,911,129.40 is: 12,947,866,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353,779,969.40 : 15,530,669,954.10 = 8,631,911,129.40 : x
  2. Step 2: Convert to fraction form
    10,353,779,969.40/15,530,669,954.10 = 8,631,911,129.40/x
  3. Step 3: Cross multiply
    10,353,779,969.40x = 15,530,669,954.10 × 8,631,911,129.40
  4. Step 4: Simplify right side
    10,353,779,969.40x = 134,059,362,823,833,976,832
  5. Step 5: Solve for x
    x = 134,059,362,823,833,976,832/10,353,779,969.40
  6. Step 6: Final answer
    x = 12,947,866,694.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.