Home / 5,130,432,001.20-7,695,648,001.80-5,130,432,001.20

Finding the Fourth Proportional to 5,130,432,001.20, 7,695,648,001.80 and 5,130,432,001.20

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Solution

The fourth proportional to 5,130,432,001.20, 7,695,648,001.80 and 5,130,432,001.20 is: 7,695,648,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,432,001.20 : 7,695,648,001.80 = 5,130,432,001.20 : x
  2. Step 2: Convert to fraction form
    5,130,432,001.20/7,695,648,001.80 = 5,130,432,001.20/x
  3. Step 3: Cross multiply
    5,130,432,001.20x = 7,695,648,001.80 × 5,130,432,001.20
  4. Step 4: Simplify right side
    5,130,432,001.20x = 39,481,998,778,405,552,128
  5. Step 5: Solve for x
    x = 39,481,998,778,405,552,128/5,130,432,001.20
  6. Step 6: Final answer
    x = 7,695,648,001.80

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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.