Home / 1,391,329,669,558.90-2,087,296,416,339-423,212,948,626.95

Finding the Fourth Proportional to 1,391,329,669,558.90, 2,087,296,416,339 and 423,212,948,626.95

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Solution

The fourth proportional to 1,391,329,669,558.90, 2,087,296,416,339 and 423,212,948,626.95 is: 634,911,258,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,329,669,558.90 : 2,087,296,416,339 = 423,212,948,626.95 : x
  2. Step 2: Convert to fraction form
    1,391,329,669,558.90/2,087,296,416,339 = 423,212,948,626.95/x
  3. Step 3: Cross multiply
    1,391,329,669,558.90x = 2,087,296,416,339 × 423,212,948,626.95
  4. Step 4: Simplify right side
    1,391,329,669,558.90x = 883,370,871,017,294,092,304,384
  5. Step 5: Solve for x
    x = 883,370,871,017,294,092,304,384/1,391,329,669,558.90
  6. Step 6: Final answer
    x = 634,911,258,161.67

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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.