Home / 6,900,446,545.12-10,346,987,128.32-3,580,918,742.56

Finding the Fourth Proportional to 6,900,446,545.12, 10,346,987,128.32 and 3,580,918,742.56

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Solution

The fourth proportional to 6,900,446,545.12, 10,346,987,128.32 and 3,580,918,742.56 is: 5,369,467,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900,446,545.12 : 10,346,987,128.32 = 3,580,918,742.56 : x
  2. Step 2: Convert to fraction form
    6,900,446,545.12/10,346,987,128.32 = 3,580,918,742.56/x
  3. Step 3: Cross multiply
    6,900,446,545.12x = 10,346,987,128.32 × 3,580,918,742.56
  4. Step 4: Simplify right side
    6,900,446,545.12x = 37,051,720,136,828,157,952
  5. Step 5: Solve for x
    x = 37,051,720,136,828,157,952/6,900,446,545.12
  6. Step 6: Final answer
    x = 5,369,467,018.48

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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.