Home / 512,269,263.40-706,931,820-277,319,923.88

Finding the Fourth Proportional to 512,269,263.40, 706,931,820 and 277,319,923.88

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Solution

The fourth proportional to 512,269,263.40, 706,931,820 and 277,319,923.88 is: 382,701,622.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,269,263.40 : 706,931,820 = 277,319,923.88 : x
  2. Step 2: Convert to fraction form
    512,269,263.40/706,931,820 = 277,319,923.88/x
  3. Step 3: Cross multiply
    512,269,263.40x = 706,931,820 × 277,319,923.88
  4. Step 4: Simplify right side
    512,269,263.40x = 196,046,278,507,215,200
  5. Step 5: Solve for x
    x = 196,046,278,507,215,200/512,269,263.40
  6. Step 6: Final answer
    x = 382,701,622.98

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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.