Home / 637,931,871.57-880,346,335.92-344,576,439.57

Finding the Fourth Proportional to 637,931,871.57, 880,346,335.92 and 344,576,439.57

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Solution

The fourth proportional to 637,931,871.57, 880,346,335.92 and 344,576,439.57 is: 475,515,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,931,871.57 : 880,346,335.92 = 344,576,439.57 : x
  2. Step 2: Convert to fraction form
    637,931,871.57/880,346,335.92 = 344,576,439.57/x
  3. Step 3: Cross multiply
    637,931,871.57x = 880,346,335.92 × 344,576,439.57
  4. Step 4: Simplify right side
    637,931,871.57x = 303,346,606,019,808,768
  5. Step 5: Solve for x
    x = 303,346,606,019,808,768/637,931,871.57
  6. Step 6: Final answer
    x = 475,515,677.36

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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.