Home / 30,298,699,811.80-45,448,049,717.70-28,232,457,203.80

Finding the Fourth Proportional to 30,298,699,811.80, 45,448,049,717.70 and 28,232,457,203.80

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Solution

The fourth proportional to 30,298,699,811.80, 45,448,049,717.70 and 28,232,457,203.80 is: 42,348,685,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298,699,811.80 : 45,448,049,717.70 = 28,232,457,203.80 : x
  2. Step 2: Convert to fraction form
    30,298,699,811.80/45,448,049,717.70 = 28,232,457,203.80/x
  3. Step 3: Cross multiply
    30,298,699,811.80x = 45,448,049,717.70 × 28,232,457,203.80
  4. Step 4: Simplify right side
    30,298,699,811.80x = 1,283,110,118,651,139,719,168
  5. Step 5: Solve for x
    x = 1,283,110,118,651,139,719,168/30,298,699,811.80
  6. Step 6: Final answer
    x = 42,348,685,805.70

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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.