Home / 579,643,485.60-869,465,228.40-386,151,722.40

Finding the Fourth Proportional to 579,643,485.60, 869,465,228.40 and 386,151,722.40

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Solution

The fourth proportional to 579,643,485.60, 869,465,228.40 and 386,151,722.40 is: 579,227,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,643,485.60 : 869,465,228.40 = 386,151,722.40 : x
  2. Step 2: Convert to fraction form
    579,643,485.60/869,465,228.40 = 386,151,722.40/x
  3. Step 3: Cross multiply
    579,643,485.60x = 869,465,228.40 × 386,151,722.40
  4. Step 4: Simplify right side
    579,643,485.60x = 335,745,495,513,569,344
  5. Step 5: Solve for x
    x = 335,745,495,513,569,344/579,643,485.60
  6. Step 6: Final answer
    x = 579,227,583.60

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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.