Home / 302,990,756,811.02-418,126,971,503.40-171,030,888,243.72

Finding the Fourth Proportional to 302,990,756,811.02, 418,126,971,503.40 and 171,030,888,243.72

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Solution

The fourth proportional to 302,990,756,811.02, 418,126,971,503.40 and 171,030,888,243.72 is: 236,022,471,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,990,756,811.02 : 418,126,971,503.40 = 171,030,888,243.72 : x
  2. Step 2: Convert to fraction form
    302,990,756,811.02/418,126,971,503.40 = 171,030,888,243.72/x
  3. Step 3: Cross multiply
    302,990,756,811.02x = 418,126,971,503.40 × 171,030,888,243.72
  4. Step 4: Simplify right side
    302,990,756,811.02x = 71,512,627,334,883,103,997,952
  5. Step 5: Solve for x
    x = 71,512,627,334,883,103,997,952/302,990,756,811.02
  6. Step 6: Final answer
    x = 236,022,471,733.31

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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.