Home / 1,345,621,644.10-2,018,432,466.15-363,046,284.10

Finding the Fourth Proportional to 1,345,621,644.10, 2,018,432,466.15 and 363,046,284.10

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Solution

The fourth proportional to 1,345,621,644.10, 2,018,432,466.15 and 363,046,284.10 is: 544,569,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,621,644.10 : 2,018,432,466.15 = 363,046,284.10 : x
  2. Step 2: Convert to fraction form
    1,345,621,644.10/2,018,432,466.15 = 363,046,284.10/x
  3. Step 3: Cross multiply
    1,345,621,644.10x = 2,018,432,466.15 × 363,046,284.10
  4. Step 4: Simplify right side
    1,345,621,644.10x = 732,784,406,542,556,672
  5. Step 5: Solve for x
    x = 732,784,406,542,556,672/1,345,621,644.10
  6. Step 6: Final answer
    x = 544,569,426.15

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Double scale
Find fourth proportional to 1,345,621,645.10, 2,018,432,467.65 and 363,046,285.10
Similar ratio
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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.