Home / 790,024,124.35-1,089,819,944.67-488,513,041.30

Finding the Fourth Proportional to 790,024,124.35, 1,089,819,944.67 and 488,513,041.30

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Solution

The fourth proportional to 790,024,124.35, 1,089,819,944.67 and 488,513,041.30 is: 673,892,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,024,124.35 : 1,089,819,944.67 = 488,513,041.30 : x
  2. Step 2: Convert to fraction form
    790,024,124.35/1,089,819,944.67 = 488,513,041.30/x
  3. Step 3: Cross multiply
    790,024,124.35x = 1,089,819,944.67 × 488,513,041.30
  4. Step 4: Simplify right side
    790,024,124.35x = 532,391,255,640,573,568
  5. Step 5: Solve for x
    x = 532,391,255,640,573,568/790,024,124.35
  6. Step 6: Final answer
    x = 673,892,403.07

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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.