Home / 637,412,457.76-879,674,238.80-355,173,634.24

Finding the Fourth Proportional to 637,412,457.76, 879,674,238.80 and 355,173,634.24

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Solution

The fourth proportional to 637,412,457.76, 879,674,238.80 and 355,173,634.24 is: 490,164,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,412,457.76 : 879,674,238.80 = 355,173,634.24 : x
  2. Step 2: Convert to fraction form
    637,412,457.76/879,674,238.80 = 355,173,634.24/x
  3. Step 3: Cross multiply
    637,412,457.76x = 879,674,238.80 × 355,173,634.24
  4. Step 4: Simplify right side
    637,412,457.76x = 312,437,096,341,901,632
  5. Step 5: Solve for x
    x = 312,437,096,341,901,632/637,412,457.76
  6. Step 6: Final answer
    x = 490,164,716.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.