Home / 868,838,861.10-1,303,258,291.65-402,499,383.60

Finding the Fourth Proportional to 868,838,861.10, 1,303,258,291.65 and 402,499,383.60

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Solution

The fourth proportional to 868,838,861.10, 1,303,258,291.65 and 402,499,383.60 is: 603,749,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,838,861.10 : 1,303,258,291.65 = 402,499,383.60 : x
  2. Step 2: Convert to fraction form
    868,838,861.10/1,303,258,291.65 = 402,499,383.60/x
  3. Step 3: Cross multiply
    868,838,861.10x = 1,303,258,291.65 × 402,499,383.60
  4. Step 4: Simplify right side
    868,838,861.10x = 524,560,659,060,714,112
  5. Step 5: Solve for x
    x = 524,560,659,060,714,112/868,838,861.10
  6. Step 6: Final answer
    x = 603,749,075.40

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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.