Home / 545,258,466,334.40-817,887,699,501.60-262,131,572,973.20

Finding the Fourth Proportional to 545,258,466,334.40, 817,887,699,501.60 and 262,131,572,973.20

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Solution

The fourth proportional to 545,258,466,334.40, 817,887,699,501.60 and 262,131,572,973.20 is: 393,197,359,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,258,466,334.40 : 817,887,699,501.60 = 262,131,572,973.20 : x
  2. Step 2: Convert to fraction form
    545,258,466,334.40/817,887,699,501.60 = 262,131,572,973.20/x
  3. Step 3: Cross multiply
    545,258,466,334.40x = 817,887,699,501.60 × 262,131,572,973.20
  4. Step 4: Simplify right side
    545,258,466,334.40x = 214,394,189,185,786,323,140,608
  5. Step 5: Solve for x
    x = 214,394,189,185,786,323,140,608/545,258,466,334.40
  6. Step 6: Final answer
    x = 393,197,359,459.80

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Double scale
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Similar ratio
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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.