Home / 589,712,985.80-884,569,478.70-201,477,620.60

Finding the Fourth Proportional to 589,712,985.80, 884,569,478.70 and 201,477,620.60

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Solution

The fourth proportional to 589,712,985.80, 884,569,478.70 and 201,477,620.60 is: 302,216,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,712,985.80 : 884,569,478.70 = 201,477,620.60 : x
  2. Step 2: Convert to fraction form
    589,712,985.80/884,569,478.70 = 201,477,620.60/x
  3. Step 3: Cross multiply
    589,712,985.80x = 884,569,478.70 × 201,477,620.60
  4. Step 4: Simplify right side
    589,712,985.80x = 178,220,953,823,858,400
  5. Step 5: Solve for x
    x = 178,220,953,823,858,400/589,712,985.80
  6. Step 6: Final answer
    x = 302,216,430.90

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Double scale
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Similar ratio
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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.