Home / 896,860,901.20-1,345,291,351.80-550,692,043.60

Finding the Fourth Proportional to 896,860,901.20, 1,345,291,351.80 and 550,692,043.60

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Solution

The fourth proportional to 896,860,901.20, 1,345,291,351.80 and 550,692,043.60 is: 826,038,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,860,901.20 : 1,345,291,351.80 = 550,692,043.60 : x
  2. Step 2: Convert to fraction form
    896,860,901.20/1,345,291,351.80 = 550,692,043.60/x
  3. Step 3: Cross multiply
    896,860,901.20x = 1,345,291,351.80 × 550,692,043.60
  4. Step 4: Simplify right side
    896,860,901.20x = 740,841,243,760,148,608
  5. Step 5: Solve for x
    x = 740,841,243,760,148,608/896,860,901.20
  6. Step 6: Final answer
    x = 826,038,065.40

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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.