Home / 216,798,630,351.42-299,190,184,153.94-130,005,330,875.46

Finding the Fourth Proportional to 216,798,630,351.42, 299,190,184,153.94 and 130,005,330,875.46

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Solution

The fourth proportional to 216,798,630,351.42, 299,190,184,153.94 and 130,005,330,875.46 is: 179,412,198,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,798,630,351.42 : 299,190,184,153.94 = 130,005,330,875.46 : x
  2. Step 2: Convert to fraction form
    216,798,630,351.42/299,190,184,153.94 = 130,005,330,875.46/x
  3. Step 3: Cross multiply
    216,798,630,351.42x = 299,190,184,153.94 × 130,005,330,875.46
  4. Step 4: Simplify right side
    216,798,630,351.42x = 38,896,318,885,622,779,478,016
  5. Step 5: Solve for x
    x = 38,896,318,885,622,779,478,016/216,798,630,351.42
  6. Step 6: Final answer
    x = 179,412,198,419.21

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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.