Home / 427,864,756.08-591,007,231-353,824,386.16

Finding the Fourth Proportional to 427,864,756.08, 591,007,231 and 353,824,386.16

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Solution

The fourth proportional to 427,864,756.08, 591,007,231 and 353,824,386.16 is: 488,735,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,864,756.08 : 591,007,231 = 353,824,386.16 : x
  2. Step 2: Convert to fraction form
    427,864,756.08/591,007,231 = 353,824,386.16/x
  3. Step 3: Cross multiply
    427,864,756.08x = 591,007,231 × 353,824,386.16
  4. Step 4: Simplify right side
    427,864,756.08x = 209,112,770,724,696,352
  5. Step 5: Solve for x
    x = 209,112,770,724,696,352/427,864,756.08
  6. Step 6: Final answer
    x = 488,735,675.83

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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.