Home / 938,762,999.10-1,408,144,498.65-248,776,746.30

Finding the Fourth Proportional to 938,762,999.10, 1,408,144,498.65 and 248,776,746.30

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Solution

The fourth proportional to 938,762,999.10, 1,408,144,498.65 and 248,776,746.30 is: 373,165,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,762,999.10 : 1,408,144,498.65 = 248,776,746.30 : x
  2. Step 2: Convert to fraction form
    938,762,999.10/1,408,144,498.65 = 248,776,746.30/x
  3. Step 3: Cross multiply
    938,762,999.10x = 1,408,144,498.65 × 248,776,746.30
  4. Step 4: Simplify right side
    938,762,999.10x = 350,313,606,694,391,808
  5. Step 5: Solve for x
    x = 350,313,606,694,391,808/938,762,999.10
  6. Step 6: Final answer
    x = 373,165,119.45

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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.