Home / 2,138,641,643,510.90-3,209,281,961,564.20-991,059,967,313.65

Finding the Fourth Proportional to 2,138,641,643,510.90, 3,209,281,961,564.20 and 991,059,967,313.65

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Solution

The fourth proportional to 2,138,641,643,510.90, 3,209,281,961,564.20 and 991,059,967,313.65 is: 1,487,201,413,840.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,641,643,510.90 : 3,209,281,961,564.20 = 991,059,967,313.65 : x
  2. Step 2: Convert to fraction form
    2,138,641,643,510.90/3,209,281,961,564.20 = 991,059,967,313.65/x
  3. Step 3: Cross multiply
    2,138,641,643,510.90x = 3,209,281,961,564.20 × 991,059,967,313.65
  4. Step 4: Simplify right side
    2,138,641,643,510.90x = 3,180,590,875,928,103,133,118,464
  5. Step 5: Solve for x
    x = 3,180,590,875,928,103,133,118,464/2,138,641,643,510.90
  6. Step 6: Final answer
    x = 1,487,201,413,840.74

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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.