Home / 1,156,500,642.32-1,734,099,061.80-379,937,795.48

Finding the Fourth Proportional to 1,156,500,642.32, 1,734,099,061.80 and 379,937,795.48

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Solution

The fourth proportional to 1,156,500,642.32, 1,734,099,061.80 and 379,937,795.48 is: 569,692,528.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,500,642.32 : 1,734,099,061.80 = 379,937,795.48 : x
  2. Step 2: Convert to fraction form
    1,156,500,642.32/1,734,099,061.80 = 379,937,795.48/x
  3. Step 3: Cross multiply
    1,156,500,642.32x = 1,734,099,061.80 × 379,937,795.48
  4. Step 4: Simplify right side
    1,156,500,642.32x = 658,849,774,684,228,352
  5. Step 5: Solve for x
    x = 658,849,774,684,228,352/1,156,500,642.32
  6. Step 6: Final answer
    x = 569,692,528.11

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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.