Home / 647,353,920.40-971,030,880.60-588,045,104.80

Finding the Fourth Proportional to 647,353,920.40, 971,030,880.60 and 588,045,104.80

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Solution

The fourth proportional to 647,353,920.40, 971,030,880.60 and 588,045,104.80 is: 882,067,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,353,920.40 : 971,030,880.60 = 588,045,104.80 : x
  2. Step 2: Convert to fraction form
    647,353,920.40/971,030,880.60 = 588,045,104.80/x
  3. Step 3: Cross multiply
    647,353,920.40x = 971,030,880.60 × 588,045,104.80
  4. Step 4: Simplify right side
    647,353,920.40x = 571,009,955,946,463,232
  5. Step 5: Solve for x
    x = 571,009,955,946,463,232/647,353,920.40
  6. Step 6: Final answer
    x = 882,067,657.20

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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.