Home / 1,176,145,411.20-1,761,530,731.20-692,416,003.20

Finding the Fourth Proportional to 1,176,145,411.20, 1,761,530,731.20 and 692,416,003.20

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Solution

The fourth proportional to 1,176,145,411.20, 1,761,530,731.20 and 692,416,003.20 is: 1,037,041,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,145,411.20 : 1,761,530,731.20 = 692,416,003.20 : x
  2. Step 2: Convert to fraction form
    1,176,145,411.20/1,761,530,731.20 = 692,416,003.20/x
  3. Step 3: Cross multiply
    1,176,145,411.20x = 1,761,530,731.20 × 692,416,003.20
  4. Step 4: Simplify right side
    1,176,145,411.20x = 1,219,712,068,411,477,760
  5. Step 5: Solve for x
    x = 1,219,712,068,411,477,760/1,176,145,411.20
  6. Step 6: Final answer
    x = 1,037,041,897.03

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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.