Home / 2,920,065,867.78-4,380,098,852.27-709,260,684.15

Finding the Fourth Proportional to 2,920,065,867.78, 4,380,098,852.27 and 709,260,684.15

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Solution

The fourth proportional to 2,920,065,867.78, 4,380,098,852.27 and 709,260,684.15 is: 1,063,891,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,065,867.78 : 4,380,098,852.27 = 709,260,684.15 : x
  2. Step 2: Convert to fraction form
    2,920,065,867.78/4,380,098,852.27 = 709,260,684.15/x
  3. Step 3: Cross multiply
    2,920,065,867.78x = 4,380,098,852.27 × 709,260,684.15
  4. Step 4: Simplify right side
    2,920,065,867.78x = 3,106,631,908,611,496,960
  5. Step 5: Solve for x
    x = 3,106,631,908,611,496,960/2,920,065,867.78
  6. Step 6: Final answer
    x = 1,063,891,038.52

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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.