Home / 920,910,286,701.32-1,270,770,910,252.30-509,369,907,941.16

Finding the Fourth Proportional to 920,910,286,701.32, 1,270,770,910,252.30 and 509,369,907,941.16

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Solution

The fourth proportional to 920,910,286,701.32, 1,270,770,910,252.30 and 509,369,907,941.16 is: 702,883,300,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,910,286,701.32 : 1,270,770,910,252.30 = 509,369,907,941.16 : x
  2. Step 2: Convert to fraction form
    920,910,286,701.32/1,270,770,910,252.30 = 509,369,907,941.16/x
  3. Step 3: Cross multiply
    920,910,286,701.32x = 1,270,770,910,252.30 × 509,369,907,941.16
  4. Step 4: Simplify right side
    920,910,286,701.32x = 647,292,461,569,518,201,733,120
  5. Step 5: Solve for x
    x = 647,292,461,569,518,201,733,120/920,910,286,701.32
  6. Step 6: Final answer
    x = 702,883,300,270.33

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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.