Home / 749,616,827.52-1,034,414,740.80-456,228,969.60

Finding the Fourth Proportional to 749,616,827.52, 1,034,414,740.80 and 456,228,969.60

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Solution

The fourth proportional to 749,616,827.52, 1,034,414,740.80 and 456,228,969.60 is: 629,561,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,616,827.52 : 1,034,414,740.80 = 456,228,969.60 : x
  2. Step 2: Convert to fraction form
    749,616,827.52/1,034,414,740.80 = 456,228,969.60/x
  3. Step 3: Cross multiply
    749,616,827.52x = 1,034,414,740.80 × 456,228,969.60
  4. Step 4: Simplify right side
    749,616,827.52x = 471,929,971,334,235,072
  5. Step 5: Solve for x
    x = 471,929,971,334,235,072/749,616,827.52
  6. Step 6: Final answer
    x = 629,561,602.69

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Double scale
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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.