Home / 5,429,408,205.60-8,148,143,386.80-2,160,203,623.20

Finding the Fourth Proportional to 5,429,408,205.60, 8,148,143,386.80 and 2,160,203,623.20

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Solution

The fourth proportional to 5,429,408,205.60, 8,148,143,386.80 and 2,160,203,623.20 is: 3,241,909,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,408,205.60 : 8,148,143,386.80 = 2,160,203,623.20 : x
  2. Step 2: Convert to fraction form
    5,429,408,205.60/8,148,143,386.80 = 2,160,203,623.20/x
  3. Step 3: Cross multiply
    5,429,408,205.60x = 8,148,143,386.80 × 2,160,203,623.20
  4. Step 4: Simplify right side
    5,429,408,205.60x = 17,601,648,866,518,478,848
  5. Step 5: Solve for x
    x = 17,601,648,866,518,478,848/5,429,408,205.60
  6. Step 6: Final answer
    x = 3,241,909,283.66

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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.