Home / 545,349,742.32-818,041,409.64-238,483,899.12

Finding the Fourth Proportional to 545,349,742.32, 818,041,409.64 and 238,483,899.12

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Solution

The fourth proportional to 545,349,742.32, 818,041,409.64 and 238,483,899.12 is: 357,733,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,349,742.32 : 818,041,409.64 = 238,483,899.12 : x
  2. Step 2: Convert to fraction form
    545,349,742.32/818,041,409.64 = 238,483,899.12/x
  3. Step 3: Cross multiply
    545,349,742.32x = 818,041,409.64 × 238,483,899.12
  4. Step 4: Simplify right side
    545,349,742.32x = 195,089,705,012,568,352
  5. Step 5: Solve for x
    x = 195,089,705,012,568,352/545,349,742.32
  6. Step 6: Final answer
    x = 357,733,193.72

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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.