Home / 579,360,830.80-869,041,246.20-251,780,598.40

Finding the Fourth Proportional to 579,360,830.80, 869,041,246.20 and 251,780,598.40

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Solution

The fourth proportional to 579,360,830.80, 869,041,246.20 and 251,780,598.40 is: 377,670,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,360,830.80 : 869,041,246.20 = 251,780,598.40 : x
  2. Step 2: Convert to fraction form
    579,360,830.80/869,041,246.20 = 251,780,598.40/x
  3. Step 3: Cross multiply
    579,360,830.80x = 869,041,246.20 × 251,780,598.40
  4. Step 4: Simplify right side
    579,360,830.80x = 218,807,725,002,517,728
  5. Step 5: Solve for x
    x = 218,807,725,002,517,728/579,360,830.80
  6. Step 6: Final answer
    x = 377,670,897.60

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1.5x scale

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.