Home / 316,617,709,458.32-436,980,200,244.72-193,090,513,291.04

Finding the Fourth Proportional to 316,617,709,458.32, 436,980,200,244.72 and 193,090,513,291.04

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Solution

The fourth proportional to 316,617,709,458.32, 436,980,200,244.72 and 193,090,513,291.04 is: 266,494,035,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,617,709,458.32 : 436,980,200,244.72 = 193,090,513,291.04 : x
  2. Step 2: Convert to fraction form
    316,617,709,458.32/436,980,200,244.72 = 193,090,513,291.04/x
  3. Step 3: Cross multiply
    316,617,709,458.32x = 436,980,200,244.72 × 193,090,513,291.04
  4. Step 4: Simplify right side
    316,617,709,458.32x = 84,376,731,163,274,420,158,464
  5. Step 5: Solve for x
    x = 84,376,731,163,274,420,158,464/316,617,709,458.32
  6. Step 6: Final answer
    x = 266,494,035,686.22

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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.