Home / 31,102,038,918.16-42,905,001,388.98-18,891,494,722.16

Finding the Fourth Proportional to 31,102,038,918.16, 42,905,001,388.98 and 18,891,494,722.16

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Solution

The fourth proportional to 31,102,038,918.16, 42,905,001,388.98 and 18,891,494,722.16 is: 26,060,658,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102,038,918.16 : 42,905,001,388.98 = 18,891,494,722.16 : x
  2. Step 2: Convert to fraction form
    31,102,038,918.16/42,905,001,388.98 = 18,891,494,722.16/x
  3. Step 3: Cross multiply
    31,102,038,918.16x = 42,905,001,388.98 × 18,891,494,722.16
  4. Step 4: Simplify right side
    31,102,038,918.16x = 810,539,607,294,183,211,008
  5. Step 5: Solve for x
    x = 810,539,607,294,183,211,008/31,102,038,918.16
  6. Step 6: Final answer
    x = 26,060,658,255.46

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1.5x scale

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.