Home / 1,861,779,875.90-2,792,669,813.85-825,540,784.70

Finding the Fourth Proportional to 1,861,779,875.90, 2,792,669,813.85 and 825,540,784.70

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Solution

The fourth proportional to 1,861,779,875.90, 2,792,669,813.85 and 825,540,784.70 is: 1,238,311,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,779,875.90 : 2,792,669,813.85 = 825,540,784.70 : x
  2. Step 2: Convert to fraction form
    1,861,779,875.90/2,792,669,813.85 = 825,540,784.70/x
  3. Step 3: Cross multiply
    1,861,779,875.90x = 2,792,669,813.85 × 825,540,784.70
  4. Step 4: Simplify right side
    1,861,779,875.90x = 2,305,462,829,533,732,096
  5. Step 5: Solve for x
    x = 2,305,462,829,533,732,096/1,861,779,875.90
  6. Step 6: Final answer
    x = 1,238,311,177.05

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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.