Home / 612,380,723.40-918,571,085.10-549,245,532.60

Finding the Fourth Proportional to 612,380,723.40, 918,571,085.10 and 549,245,532.60

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Solution

The fourth proportional to 612,380,723.40, 918,571,085.10 and 549,245,532.60 is: 823,868,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,380,723.40 : 918,571,085.10 = 549,245,532.60 : x
  2. Step 2: Convert to fraction form
    612,380,723.40/918,571,085.10 = 549,245,532.60/x
  3. Step 3: Cross multiply
    612,380,723.40x = 918,571,085.10 × 549,245,532.60
  4. Step 4: Simplify right side
    612,380,723.40x = 504,521,064,866,709,440
  5. Step 5: Solve for x
    x = 504,521,064,866,709,440/612,380,723.40
  6. Step 6: Final answer
    x = 823,868,298.90

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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.