Home / 30,298,699,802.55-45,448,049,703.83-28,232,457,194.55

Finding the Fourth Proportional to 30,298,699,802.55, 45,448,049,703.83 and 28,232,457,194.55

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Solution

The fourth proportional to 30,298,699,802.55, 45,448,049,703.83 and 28,232,457,194.55 is: 42,348,685,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298,699,802.55 : 45,448,049,703.83 = 28,232,457,194.55 : x
  2. Step 2: Convert to fraction form
    30,298,699,802.55/45,448,049,703.83 = 28,232,457,194.55/x
  3. Step 3: Cross multiply
    30,298,699,802.55x = 45,448,049,703.83 × 28,232,457,194.55
  4. Step 4: Simplify right side
    30,298,699,802.55x = 1,283,110,117,839,019,966,464
  5. Step 5: Solve for x
    x = 1,283,110,117,839,019,966,464/30,298,699,802.55
  6. Step 6: Final answer
    x = 42,348,685,791.83

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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.