Home / 384,030,693.63-529,962,343.65-207,818,687.16

Finding the Fourth Proportional to 384,030,693.63, 529,962,343.65 and 207,818,687.16

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Solution

The fourth proportional to 384,030,693.63, 529,962,343.65 and 207,818,687.16 is: 286,789,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,030,693.63 : 529,962,343.65 = 207,818,687.16 : x
  2. Step 2: Convert to fraction form
    384,030,693.63/529,962,343.65 = 207,818,687.16/x
  3. Step 3: Cross multiply
    384,030,693.63x = 529,962,343.65 × 207,818,687.16
  4. Step 4: Simplify right side
    384,030,693.63x = 110,136,078,501,579,760
  5. Step 5: Solve for x
    x = 110,136,078,501,579,760/384,030,693.63
  6. Step 6: Final answer
    x = 286,789,780.94

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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.