Home / 1,218,411,960.16-1,682,985,729.44-1,007,570,437.60

Finding the Fourth Proportional to 1,218,411,960.16, 1,682,985,729.44 and 1,007,570,437.60

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Solution

The fourth proportional to 1,218,411,960.16, 1,682,985,729.44 and 1,007,570,437.60 is: 1,391,751,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,411,960.16 : 1,682,985,729.44 = 1,007,570,437.60 : x
  2. Step 2: Convert to fraction form
    1,218,411,960.16/1,682,985,729.44 = 1,007,570,437.60/x
  3. Step 3: Cross multiply
    1,218,411,960.16x = 1,682,985,729.44 × 1,007,570,437.60
  4. Step 4: Simplify right side
    1,218,411,960.16x = 1,695,726,667,886,416,128
  5. Step 5: Solve for x
    x = 1,695,726,667,886,416,128/1,218,411,960.16
  6. Step 6: Final answer
    x = 1,391,751,495.66

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Double scale
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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.