Home / 647,353,619.20-971,030,428.80-593,784,366.40

Finding the Fourth Proportional to 647,353,619.20, 971,030,428.80 and 593,784,366.40

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Solution

The fourth proportional to 647,353,619.20, 971,030,428.80 and 593,784,366.40 is: 890,676,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,353,619.20 : 971,030,428.80 = 593,784,366.40 : x
  2. Step 2: Convert to fraction form
    647,353,619.20/971,030,428.80 = 593,784,366.40/x
  3. Step 3: Cross multiply
    647,353,619.20x = 971,030,428.80 × 593,784,366.40
  4. Step 4: Simplify right side
    647,353,619.20x = 576,582,687,920,128,256
  5. Step 5: Solve for x
    x = 576,582,687,920,128,256/647,353,619.20
  6. Step 6: Final answer
    x = 890,676,549.60

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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.