Home / 10,438,755,431.76-15,637,470,623.40-9,130,135,113.36

Finding the Fourth Proportional to 10,438,755,431.76, 15,637,470,623.40 and 9,130,135,113.36

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Solution

The fourth proportional to 10,438,755,431.76, 15,637,470,623.40 and 9,130,135,113.36 is: 13,677,130,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438,755,431.76 : 15,637,470,623.40 = 9,130,135,113.36 : x
  2. Step 2: Convert to fraction form
    10,438,755,431.76/15,637,470,623.40 = 9,130,135,113.36/x
  3. Step 3: Cross multiply
    10,438,755,431.76x = 15,637,470,623.40 × 9,130,135,113.36
  4. Step 4: Simplify right side
    10,438,755,431.76x = 142,772,219,622,839,828,480
  5. Step 5: Solve for x
    x = 142,772,219,622,839,828,480/10,438,755,431.76
  6. Step 6: Final answer
    x = 13,677,130,435.34

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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.