Home / 861,089,226.50-1,290,584,501.64-446,337,391.16

Finding the Fourth Proportional to 861,089,226.50, 1,290,584,501.64 and 446,337,391.16

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Solution

The fourth proportional to 861,089,226.50, 1,290,584,501.64 and 446,337,391.16 is: 668,962,172.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,089,226.50 : 1,290,584,501.64 = 446,337,391.16 : x
  2. Step 2: Convert to fraction form
    861,089,226.50/1,290,584,501.64 = 446,337,391.16/x
  3. Step 3: Cross multiply
    861,089,226.50x = 1,290,584,501.64 × 446,337,391.16
  4. Step 4: Simplify right side
    861,089,226.50x = 576,036,119,536,752,896
  5. Step 5: Solve for x
    x = 576,036,119,536,752,896/861,089,226.50
  6. Step 6: Final answer
    x = 668,962,172.34

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1.5x scale

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.