Home / 189,943,921,719.18-284,925,045,978.94-62,455,790,979.40

Finding the Fourth Proportional to 189,943,921,719.18, 284,925,045,978.94 and 62,455,790,979.40

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Solution

The fourth proportional to 189,943,921,719.18, 284,925,045,978.94 and 62,455,790,979.40 is: 93,686,699,502.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,943,921,719.18 : 284,925,045,978.94 = 62,455,790,979.40 : x
  2. Step 2: Convert to fraction form
    189,943,921,719.18/284,925,045,978.94 = 62,455,790,979.40/x
  3. Step 3: Cross multiply
    189,943,921,719.18x = 284,925,045,978.94 × 62,455,790,979.40
  4. Step 4: Simplify right side
    189,943,921,719.18x = 17,795,219,116,457,751,216,128
  5. Step 5: Solve for x
    x = 17,795,219,116,457,751,216,128/189,943,921,719.18
  6. Step 6: Final answer
    x = 93,686,699,502.64

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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.