Home / 623,808,165.11-860,849,378.70-359,393,041.67

Finding the Fourth Proportional to 623,808,165.11, 860,849,378.70 and 359,393,041.67

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Solution

The fourth proportional to 623,808,165.11, 860,849,378.70 and 359,393,041.67 is: 495,959,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,808,165.11 : 860,849,378.70 = 359,393,041.67 : x
  2. Step 2: Convert to fraction form
    623,808,165.11/860,849,378.70 = 359,393,041.67/x
  3. Step 3: Cross multiply
    623,808,165.11x = 860,849,378.70 × 359,393,041.67
  4. Step 4: Simplify right side
    623,808,165.11x = 309,383,276,630,915,008
  5. Step 5: Solve for x
    x = 309,383,276,630,915,008/623,808,165.11
  6. Step 6: Final answer
    x = 495,959,004.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.