Home / 1,138,277,538.16-1,570,702,070.59-629,559,412.72

Finding the Fourth Proportional to 1,138,277,538.16, 1,570,702,070.59 and 629,559,412.72

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Solution

The fourth proportional to 1,138,277,538.16, 1,570,702,070.59 and 629,559,412.72 is: 868,725,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,277,538.16 : 1,570,702,070.59 = 629,559,412.72 : x
  2. Step 2: Convert to fraction form
    1,138,277,538.16/1,570,702,070.59 = 629,559,412.72/x
  3. Step 3: Cross multiply
    1,138,277,538.16x = 1,570,702,070.59 × 629,559,412.72
  4. Step 4: Simplify right side
    1,138,277,538.16x = 988,850,273,118,728,320
  5. Step 5: Solve for x
    x = 988,850,273,118,728,320/1,138,277,538.16
  6. Step 6: Final answer
    x = 868,725,104.35

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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.