Home / 700,742,996.98-1,051,219,013.38-258,051,638.30

Finding the Fourth Proportional to 700,742,996.98, 1,051,219,013.38 and 258,051,638.30

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Solution

The fourth proportional to 700,742,996.98, 1,051,219,013.38 and 258,051,638.30 is: 387,115,946.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,742,996.98 : 1,051,219,013.38 = 258,051,638.30 : x
  2. Step 2: Convert to fraction form
    700,742,996.98/1,051,219,013.38 = 258,051,638.30/x
  3. Step 3: Cross multiply
    700,742,996.98x = 1,051,219,013.38 × 258,051,638.30
  4. Step 4: Simplify right side
    700,742,996.98x = 271,268,788,608,917,408
  5. Step 5: Solve for x
    x = 271,268,788,608,917,408/700,742,996.98
  6. Step 6: Final answer
    x = 387,115,946.62

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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.