Home / 30,298,699,796.30-45,448,049,694.45-28,232,457,188.30

Finding the Fourth Proportional to 30,298,699,796.30, 45,448,049,694.45 and 28,232,457,188.30

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Solution

The fourth proportional to 30,298,699,796.30, 45,448,049,694.45 and 28,232,457,188.30 is: 42,348,685,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298,699,796.30 : 45,448,049,694.45 = 28,232,457,188.30 : x
  2. Step 2: Convert to fraction form
    30,298,699,796.30/45,448,049,694.45 = 28,232,457,188.30/x
  3. Step 3: Cross multiply
    30,298,699,796.30x = 45,448,049,694.45 × 28,232,457,188.30
  4. Step 4: Simplify right side
    30,298,699,796.30x = 1,283,110,117,290,290,446,336
  5. Step 5: Solve for x
    x = 1,283,110,117,290,290,446,336/30,298,699,796.30
  6. Step 6: Final answer
    x = 42,348,685,782.45

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Double scale
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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.