Home / 699,620,100.80-1,050,064,672.80-354,813,598.40

Finding the Fourth Proportional to 699,620,100.80, 1,050,064,672.80 and 354,813,598.40

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Solution

The fourth proportional to 699,620,100.80, 1,050,064,672.80 and 354,813,598.40 is: 532,542,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,620,100.80 : 1,050,064,672.80 = 354,813,598.40 : x
  2. Step 2: Convert to fraction form
    699,620,100.80/1,050,064,672.80 = 354,813,598.40/x
  3. Step 3: Cross multiply
    699,620,100.80x = 1,050,064,672.80 × 354,813,598.40
  4. Step 4: Simplify right side
    699,620,100.80x = 372,577,225,108,886,592
  5. Step 5: Solve for x
    x = 372,577,225,108,886,592/699,620,100.80
  6. Step 6: Final answer
    x = 532,542,196.38

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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.