Home / 671,377,117.40-1,007,201,877.60-211,208,260.40

Finding the Fourth Proportional to 671,377,117.40, 1,007,201,877.60 and 211,208,260.40

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Solution

The fourth proportional to 671,377,117.40, 1,007,201,877.60 and 211,208,260.40 is: 316,855,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,377,117.40 : 1,007,201,877.60 = 211,208,260.40 : x
  2. Step 2: Convert to fraction form
    671,377,117.40/1,007,201,877.60 = 211,208,260.40/x
  3. Step 3: Cross multiply
    671,377,117.40x = 1,007,201,877.60 × 211,208,260.40
  4. Step 4: Simplify right side
    671,377,117.40x = 212,729,356,439,509,728
  5. Step 5: Solve for x
    x = 212,729,356,439,509,728/671,377,117.40
  6. Step 6: Final answer
    x = 316,855,238.18

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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.