Home / 525,407,951.80-788,111,927.70-332,176,004.20

Finding the Fourth Proportional to 525,407,951.80, 788,111,927.70 and 332,176,004.20

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Solution

The fourth proportional to 525,407,951.80, 788,111,927.70 and 332,176,004.20 is: 498,264,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,407,951.80 : 788,111,927.70 = 332,176,004.20 : x
  2. Step 2: Convert to fraction form
    525,407,951.80/788,111,927.70 = 332,176,004.20/x
  3. Step 3: Cross multiply
    525,407,951.80x = 788,111,927.70 × 332,176,004.20
  4. Step 4: Simplify right side
    525,407,951.80x = 261,791,871,005,745,312
  5. Step 5: Solve for x
    x = 261,791,871,005,745,312/525,407,951.80
  6. Step 6: Final answer
    x = 498,264,006.30

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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.