Home / 649,816,442.37-974,628,785.43-189,631,051.65

Finding the Fourth Proportional to 649,816,442.37, 974,628,785.43 and 189,631,051.65

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Solution

The fourth proportional to 649,816,442.37, 974,628,785.43 and 189,631,051.65 is: 284,418,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,816,442.37 : 974,628,785.43 = 189,631,051.65 : x
  2. Step 2: Convert to fraction form
    649,816,442.37/974,628,785.43 = 189,631,051.65/x
  3. Step 3: Cross multiply
    649,816,442.37x = 974,628,785.43 × 189,631,051.65
  4. Step 4: Simplify right side
    649,816,442.37x = 184,819,881,549,453,088
  5. Step 5: Solve for x
    x = 184,819,881,549,453,088/649,816,442.37
  6. Step 6: Final answer
    x = 284,418,598.08

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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.