Home / 10,917,869,439.60-16,376,804,159.40-10,489,315,417.20

Finding the Fourth Proportional to 10,917,869,439.60, 16,376,804,159.40 and 10,489,315,417.20

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Solution

The fourth proportional to 10,917,869,439.60, 16,376,804,159.40 and 10,489,315,417.20 is: 15,733,973,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917,869,439.60 : 16,376,804,159.40 = 10,489,315,417.20 : x
  2. Step 2: Convert to fraction form
    10,917,869,439.60/16,376,804,159.40 = 10,489,315,417.20/x
  3. Step 3: Cross multiply
    10,917,869,439.60x = 16,376,804,159.40 × 10,489,315,417.20
  4. Step 4: Simplify right side
    10,917,869,439.60x = 171,781,464,353,659,518,976
  5. Step 5: Solve for x
    x = 171,781,464,353,659,518,976/10,917,869,439.60
  6. Step 6: Final answer
    x = 15,733,973,125.80

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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.