Home / 1,358,575,889.28-2,037,852,635.52-389,228,438.40

Finding the Fourth Proportional to 1,358,575,889.28, 2,037,852,635.52 and 389,228,438.40

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Solution

The fourth proportional to 1,358,575,889.28, 2,037,852,635.52 and 389,228,438.40 is: 583,839,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,575,889.28 : 2,037,852,635.52 = 389,228,438.40 : x
  2. Step 2: Convert to fraction form
    1,358,575,889.28/2,037,852,635.52 = 389,228,438.40/x
  3. Step 3: Cross multiply
    1,358,575,889.28x = 2,037,852,635.52 × 389,228,438.40
  4. Step 4: Simplify right side
    1,358,575,889.28x = 793,190,199,012,773,888
  5. Step 5: Solve for x
    x = 793,190,199,012,773,888/1,358,575,889.28
  6. Step 6: Final answer
    x = 583,839,449.29

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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.