Home / 277,167,779.64-382,486,896.30-153,405,807.16

Finding the Fourth Proportional to 277,167,779.64, 382,486,896.30 and 153,405,807.16

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Solution

The fourth proportional to 277,167,779.64, 382,486,896.30 and 153,405,807.16 is: 211,697,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,167,779.64 : 382,486,896.30 = 153,405,807.16 : x
  2. Step 2: Convert to fraction form
    277,167,779.64/382,486,896.30 = 153,405,807.16/x
  3. Step 3: Cross multiply
    277,167,779.64x = 382,486,896.30 × 153,405,807.16
  4. Step 4: Simplify right side
    277,167,779.64x = 58,675,711,055,024,720
  5. Step 5: Solve for x
    x = 58,675,711,055,024,720/277,167,779.64
  6. Step 6: Final answer
    x = 211,697,445.97

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Why These Related Problems?

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