Home / 18,878,233,077.60-28,317,349,616.40-11,898,924,712.80

Finding the Fourth Proportional to 18,878,233,077.60, 28,317,349,616.40 and 11,898,924,712.80

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Solution

The fourth proportional to 18,878,233,077.60, 28,317,349,616.40 and 11,898,924,712.80 is: 17,848,387,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878,233,077.60 : 28,317,349,616.40 = 11,898,924,712.80 : x
  2. Step 2: Convert to fraction form
    18,878,233,077.60/28,317,349,616.40 = 11,898,924,712.80/x
  3. Step 3: Cross multiply
    18,878,233,077.60x = 28,317,349,616.40 × 11,898,924,712.80
  4. Step 4: Simplify right side
    18,878,233,077.60x = 336,946,011,151,579,545,600
  5. Step 5: Solve for x
    x = 336,946,011,151,579,545,600/18,878,233,077.60
  6. Step 6: Final answer
    x = 17,848,387,069.20

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1.5x scale

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.