Home / 30,649,943,018.72-45,998,380,457.21-13,873,535,715.65

Finding the Fourth Proportional to 30,649,943,018.72, 45,998,380,457.21 and 13,873,535,715.65

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Solution

The fourth proportional to 30,649,943,018.72, 45,998,380,457.21 and 13,873,535,715.65 is: 20,820,925,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,649,943,018.72 : 45,998,380,457.21 = 13,873,535,715.65 : x
  2. Step 2: Convert to fraction form
    30,649,943,018.72/45,998,380,457.21 = 13,873,535,715.65/x
  3. Step 3: Cross multiply
    30,649,943,018.72x = 45,998,380,457.21 × 13,873,535,715.65
  4. Step 4: Simplify right side
    30,649,943,018.72x = 638,160,174,134,971,465,728
  5. Step 5: Solve for x
    x = 638,160,174,134,971,465,728/30,649,943,018.72
  6. Step 6: Final answer
    x = 20,820,925,303.03

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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.