Home / 373,100,971.80-559,651,457.70-178,912,430.40

Finding the Fourth Proportional to 373,100,971.80, 559,651,457.70 and 178,912,430.40

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Solution

The fourth proportional to 373,100,971.80, 559,651,457.70 and 178,912,430.40 is: 268,368,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,100,971.80 : 559,651,457.70 = 178,912,430.40 : x
  2. Step 2: Convert to fraction form
    373,100,971.80/559,651,457.70 = 178,912,430.40/x
  3. Step 3: Cross multiply
    373,100,971.80x = 559,651,457.70 × 178,912,430.40
  4. Step 4: Simplify right side
    373,100,971.80x = 100,128,602,474,009,808
  5. Step 5: Solve for x
    x = 100,128,602,474,009,808/373,100,971.80
  6. Step 6: Final answer
    x = 268,368,645.60

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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.