Home / 340,341,975.11-469,889,139.35-277,767,553.25

Finding the Fourth Proportional to 340,341,975.11, 469,889,139.35 and 277,767,553.25

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Solution

The fourth proportional to 340,341,975.11, 469,889,139.35 and 277,767,553.25 is: 383,496,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,341,975.11 : 469,889,139.35 = 277,767,553.25 : x
  2. Step 2: Convert to fraction form
    340,341,975.11/469,889,139.35 = 277,767,553.25/x
  3. Step 3: Cross multiply
    340,341,975.11x = 469,889,139.35 × 277,767,553.25
  4. Step 4: Simplify right side
    340,341,975.11x = 130,519,956,535,997,808
  5. Step 5: Solve for x
    x = 130,519,956,535,997,808/340,341,975.11
  6. Step 6: Final answer
    x = 383,496,500.82

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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.