Home / 1,379,064,706.80-2,069,604,829.80-970,918,018.80

Finding the Fourth Proportional to 1,379,064,706.80, 2,069,604,829.80 and 970,918,018.80

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Solution

The fourth proportional to 1,379,064,706.80, 2,069,604,829.80 and 970,918,018.80 is: 1,457,086,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,064,706.80 : 2,069,604,829.80 = 970,918,018.80 : x
  2. Step 2: Convert to fraction form
    1,379,064,706.80/2,069,604,829.80 = 970,918,018.80/x
  3. Step 3: Cross multiply
    1,379,064,706.80x = 2,069,604,829.80 × 970,918,018.80
  4. Step 4: Simplify right side
    1,379,064,706.80x = 2,009,416,621,048,327,168
  5. Step 5: Solve for x
    x = 2,009,416,621,048,327,168/1,379,064,706.80
  6. Step 6: Final answer
    x = 1,457,086,539.26

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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.