Home / 938,763,001.10-1,408,144,501.65-248,776,748.30

Finding the Fourth Proportional to 938,763,001.10, 1,408,144,501.65 and 248,776,748.30

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Solution

The fourth proportional to 938,763,001.10, 1,408,144,501.65 and 248,776,748.30 is: 373,165,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,763,001.10 : 1,408,144,501.65 = 248,776,748.30 : x
  2. Step 2: Convert to fraction form
    938,763,001.10/1,408,144,501.65 = 248,776,748.30/x
  3. Step 3: Cross multiply
    938,763,001.10x = 1,408,144,501.65 × 248,776,748.30
  4. Step 4: Simplify right side
    938,763,001.10x = 350,313,610,257,011,008
  5. Step 5: Solve for x
    x = 350,313,610,257,011,008/938,763,001.10
  6. Step 6: Final answer
    x = 373,165,122.45

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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.