Home / 647,434,000.40-971,151,000.60-579,409,552.40

Finding the Fourth Proportional to 647,434,000.40, 971,151,000.60 and 579,409,552.40

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Solution

The fourth proportional to 647,434,000.40, 971,151,000.60 and 579,409,552.40 is: 869,114,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,434,000.40 : 971,151,000.60 = 579,409,552.40 : x
  2. Step 2: Convert to fraction form
    647,434,000.40/971,151,000.60 = 579,409,552.40/x
  3. Step 3: Cross multiply
    647,434,000.40x = 971,151,000.60 × 579,409,552.40
  4. Step 4: Simplify right side
    647,434,000.40x = 562,694,166,570,458,112
  5. Step 5: Solve for x
    x = 562,694,166,570,458,112/647,434,000.40
  6. Step 6: Final answer
    x = 869,114,328.60

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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.