Home / 216,798,630,381.92-299,190,184,196.08-130,005,330,906.07

Finding the Fourth Proportional to 216,798,630,381.92, 299,190,184,196.08 and 130,005,330,906.07

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Solution

The fourth proportional to 216,798,630,381.92, 299,190,184,196.08 and 130,005,330,906.07 is: 179,412,198,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,798,630,381.92 : 299,190,184,196.08 = 130,005,330,906.07 : x
  2. Step 2: Convert to fraction form
    216,798,630,381.92/299,190,184,196.08 = 130,005,330,906.07/x
  3. Step 3: Cross multiply
    216,798,630,381.92x = 299,190,184,196.08 × 130,005,330,906.07
  4. Step 4: Simplify right side
    216,798,630,381.92x = 38,896,318,900,259,415,654,400
  5. Step 5: Solve for x
    x = 38,896,318,900,259,415,654,400/216,798,630,381.92
  6. Step 6: Final answer
    x = 179,412,198,461.49

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1.5x scale

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.