Home / 535,966,518.40-803,949,777.60-513,291,702.40

Finding the Fourth Proportional to 535,966,518.40, 803,949,777.60 and 513,291,702.40

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Solution

The fourth proportional to 535,966,518.40, 803,949,777.60 and 513,291,702.40 is: 769,937,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,966,518.40 : 803,949,777.60 = 513,291,702.40 : x
  2. Step 2: Convert to fraction form
    535,966,518.40/803,949,777.60 = 513,291,702.40/x
  3. Step 3: Cross multiply
    535,966,518.40x = 803,949,777.60 × 513,291,702.40
  4. Step 4: Simplify right side
    535,966,518.40x = 412,660,749,988,405,376
  5. Step 5: Solve for x
    x = 412,660,749,988,405,376/535,966,518.40
  6. Step 6: Final answer
    x = 769,937,553.60

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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.