Home / 13,346,799,578.70-20,020,199,368.05-10,256,977,985.10

Finding the Fourth Proportional to 13,346,799,578.70, 20,020,199,368.05 and 10,256,977,985.10

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Solution

The fourth proportional to 13,346,799,578.70, 20,020,199,368.05 and 10,256,977,985.10 is: 15,385,466,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346,799,578.70 : 20,020,199,368.05 = 10,256,977,985.10 : x
  2. Step 2: Convert to fraction form
    13,346,799,578.70/20,020,199,368.05 = 10,256,977,985.10/x
  3. Step 3: Cross multiply
    13,346,799,578.70x = 20,020,199,368.05 × 10,256,977,985.10
  4. Step 4: Simplify right side
    13,346,799,578.70x = 205,346,744,175,401,795,584
  5. Step 5: Solve for x
    x = 205,346,744,175,401,795,584/13,346,799,578.70
  6. Step 6: Final answer
    x = 15,385,466,977.65

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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.