Home / 216,798,630,362.92-299,190,184,169.82-130,005,330,887.03

Finding the Fourth Proportional to 216,798,630,362.92, 299,190,184,169.82 and 130,005,330,887.03

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Solution

The fourth proportional to 216,798,630,362.92, 299,190,184,169.82 and 130,005,330,887.03 is: 179,412,198,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,798,630,362.92 : 299,190,184,169.82 = 130,005,330,887.03 : x
  2. Step 2: Convert to fraction form
    216,798,630,362.92/299,190,184,169.82 = 130,005,330,887.03/x
  3. Step 3: Cross multiply
    216,798,630,362.92x = 299,190,184,169.82 × 130,005,330,887.03
  4. Step 4: Simplify right side
    216,798,630,362.92x = 38,896,318,891,148,892,438,528
  5. Step 5: Solve for x
    x = 38,896,318,891,148,892,438,528/216,798,630,362.92
  6. Step 6: Final answer
    x = 179,412,198,435.19

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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.