Home / 2,118,134,125.61-2,922,937,318.20-1,152,522,013.50

Finding the Fourth Proportional to 2,118,134,125.61, 2,922,937,318.20 and 1,152,522,013.50

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Solution

The fourth proportional to 2,118,134,125.61, 2,922,937,318.20 and 1,152,522,013.50 is: 1,590,432,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,134,125.61 : 2,922,937,318.20 = 1,152,522,013.50 : x
  2. Step 2: Convert to fraction form
    2,118,134,125.61/2,922,937,318.20 = 1,152,522,013.50/x
  3. Step 3: Cross multiply
    2,118,134,125.61x = 2,922,937,318.20 × 1,152,522,013.50
  4. Step 4: Simplify right side
    2,118,134,125.61x = 3,368,749,603,306,153,984
  5. Step 5: Solve for x
    x = 3,368,749,603,306,153,984/2,118,134,125.61
  6. Step 6: Final answer
    x = 1,590,432,618.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.