Home / 7,447,827,309.81-11,172,888,877.32-2,539,353,203.25

Finding the Fourth Proportional to 7,447,827,309.81, 11,172,888,877.32 and 2,539,353,203.25

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Solution

The fourth proportional to 7,447,827,309.81, 11,172,888,877.32 and 2,539,353,203.25 is: 3,809,421,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,827,309.81 : 11,172,888,877.32 = 2,539,353,203.25 : x
  2. Step 2: Convert to fraction form
    7,447,827,309.81/11,172,888,877.32 = 2,539,353,203.25/x
  3. Step 3: Cross multiply
    7,447,827,309.81x = 11,172,888,877.32 × 2,539,353,203.25
  4. Step 4: Simplify right side
    7,447,827,309.81x = 28,371,911,160,178,835,456
  5. Step 5: Solve for x
    x = 28,371,911,160,178,835,456/7,447,827,309.81
  6. Step 6: Final answer
    x = 3,809,421,188.22

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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.