Home / 637,931,870.07-880,346,333.85-344,576,438.07

Finding the Fourth Proportional to 637,931,870.07, 880,346,333.85 and 344,576,438.07

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Solution

The fourth proportional to 637,931,870.07, 880,346,333.85 and 344,576,438.07 is: 475,515,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,931,870.07 : 880,346,333.85 = 344,576,438.07 : x
  2. Step 2: Convert to fraction form
    637,931,870.07/880,346,333.85 = 344,576,438.07/x
  3. Step 3: Cross multiply
    637,931,870.07x = 880,346,333.85 × 344,576,438.07
  4. Step 4: Simplify right side
    637,931,870.07x = 303,346,603,986,016,064
  5. Step 5: Solve for x
    x = 303,346,603,986,016,064/637,931,870.07
  6. Step 6: Final answer
    x = 475,515,675.29

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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.