Home / 13,306,800,360.40-19,938,701,455.80-8,390,676,302.80

Finding the Fourth Proportional to 13,306,800,360.40, 19,938,701,455.80 and 8,390,676,302.80

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Solution

The fourth proportional to 13,306,800,360.40, 19,938,701,455.80 and 8,390,676,302.80 is: 12,572,458,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,800,360.40 : 19,938,701,455.80 = 8,390,676,302.80 : x
  2. Step 2: Convert to fraction form
    13,306,800,360.40/19,938,701,455.80 = 8,390,676,302.80/x
  3. Step 3: Cross multiply
    13,306,800,360.40x = 19,938,701,455.80 × 8,390,676,302.80
  4. Step 4: Simplify right side
    13,306,800,360.40x = 167,299,189,813,784,903,680
  5. Step 5: Solve for x
    x = 167,299,189,813,784,903,680/13,306,800,360.40
  6. Step 6: Final answer
    x = 12,572,458,087.80

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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.