Home / 519,913,240.40-779,680,903.80-174,878,123.60

Finding the Fourth Proportional to 519,913,240.40, 779,680,903.80 and 174,878,123.60

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Solution

The fourth proportional to 519,913,240.40, 779,680,903.80 and 174,878,123.60 is: 262,253,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,913,240.40 : 779,680,903.80 = 174,878,123.60 : x
  2. Step 2: Convert to fraction form
    519,913,240.40/779,680,903.80 = 174,878,123.60/x
  3. Step 3: Cross multiply
    519,913,240.40x = 779,680,903.80 × 174,878,123.60
  4. Step 4: Simplify right side
    519,913,240.40x = 136,349,133,463,296,096
  5. Step 5: Solve for x
    x = 136,349,133,463,296,096/519,913,240.40
  6. Step 6: Final answer
    x = 262,253,627.85

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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.