Home / 820,512,031.95-1,230,768,047.93-246,083,359.95

Finding the Fourth Proportional to 820,512,031.95, 1,230,768,047.93 and 246,083,359.95

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Solution

The fourth proportional to 820,512,031.95, 1,230,768,047.93 and 246,083,359.95 is: 369,125,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,512,031.95 : 1,230,768,047.93 = 246,083,359.95 : x
  2. Step 2: Convert to fraction form
    820,512,031.95/1,230,768,047.93 = 246,083,359.95/x
  3. Step 3: Cross multiply
    820,512,031.95x = 1,230,768,047.93 × 246,083,359.95
  4. Step 4: Simplify right side
    820,512,031.95x = 302,871,536,552,486,592
  5. Step 5: Solve for x
    x = 302,871,536,552,486,592/820,512,031.95
  6. Step 6: Final answer
    x = 369,125,039.93

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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.