Home / 671,377,115.90-1,007,201,875.35-211,208,258.90

Finding the Fourth Proportional to 671,377,115.90, 1,007,201,875.35 and 211,208,258.90

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Solution

The fourth proportional to 671,377,115.90, 1,007,201,875.35 and 211,208,258.90 is: 316,855,235.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,377,115.90 : 1,007,201,875.35 = 211,208,258.90 : x
  2. Step 2: Convert to fraction form
    671,377,115.90/1,007,201,875.35 = 211,208,258.90/x
  3. Step 3: Cross multiply
    671,377,115.90x = 1,007,201,875.35 × 211,208,258.90
  4. Step 4: Simplify right side
    671,377,115.90x = 212,729,354,453,488,352
  5. Step 5: Solve for x
    x = 212,729,354,453,488,352/671,377,115.90
  6. Step 6: Final answer
    x = 316,855,235.93

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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.