Home / 525,983,266.80-788,974,900.20-219,495,337.20

Finding the Fourth Proportional to 525,983,266.80, 788,974,900.20 and 219,495,337.20

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Solution

The fourth proportional to 525,983,266.80, 788,974,900.20 and 219,495,337.20 is: 329,243,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,983,266.80 : 788,974,900.20 = 219,495,337.20 : x
  2. Step 2: Convert to fraction form
    525,983,266.80/788,974,900.20 = 219,495,337.20/x
  3. Step 3: Cross multiply
    525,983,266.80x = 788,974,900.20 × 219,495,337.20
  4. Step 4: Simplify right side
    525,983,266.80x = 173,176,311,761,735,360
  5. Step 5: Solve for x
    x = 173,176,311,761,735,360/525,983,266.80
  6. Step 6: Final answer
    x = 329,243,005.80

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1.5x scale

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.