Home / 8,978,688,205.20-13,468,032,307.80-5,108,852,941.20

Finding the Fourth Proportional to 8,978,688,205.20, 13,468,032,307.80 and 5,108,852,941.20

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Solution

The fourth proportional to 8,978,688,205.20, 13,468,032,307.80 and 5,108,852,941.20 is: 7,663,279,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978,688,205.20 : 13,468,032,307.80 = 5,108,852,941.20 : x
  2. Step 2: Convert to fraction form
    8,978,688,205.20/13,468,032,307.80 = 5,108,852,941.20/x
  3. Step 3: Cross multiply
    8,978,688,205.20x = 13,468,032,307.80 × 5,108,852,941.20
  4. Step 4: Simplify right side
    8,978,688,205.20x = 68,806,196,467,880,648,704
  5. Step 5: Solve for x
    x = 68,806,196,467,880,648,704/8,978,688,205.20
  6. Step 6: Final answer
    x = 7,663,279,411.80

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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.