Home / 848,007,196.13-1,272,011,258.93-387,622,515.03

Finding the Fourth Proportional to 848,007,196.13, 1,272,011,258.93 and 387,622,515.03

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Solution

The fourth proportional to 848,007,196.13, 1,272,011,258.93 and 387,622,515.03 is: 581,433,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,007,196.13 : 1,272,011,258.93 = 387,622,515.03 : x
  2. Step 2: Convert to fraction form
    848,007,196.13/1,272,011,258.93 = 387,622,515.03/x
  3. Step 3: Cross multiply
    848,007,196.13x = 1,272,011,258.93 × 387,622,515.03
  4. Step 4: Simplify right side
    848,007,196.13x = 493,060,203,330,984,960
  5. Step 5: Solve for x
    x = 493,060,203,330,984,960/848,007,196.13
  6. Step 6: Final answer
    x = 581,433,984.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.