Home / 752,531,269.13-1,038,258,861.28-434,875,789.67

Finding the Fourth Proportional to 752,531,269.13, 1,038,258,861.28 and 434,875,789.67

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Solution

The fourth proportional to 752,531,269.13, 1,038,258,861.28 and 434,875,789.67 is: 599,993,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,531,269.13 : 1,038,258,861.28 = 434,875,789.67 : x
  2. Step 2: Convert to fraction form
    752,531,269.13/1,038,258,861.28 = 434,875,789.67/x
  3. Step 3: Cross multiply
    752,531,269.13x = 1,038,258,861.28 × 434,875,789.67
  4. Step 4: Simplify right side
    752,531,269.13x = 451,513,642,177,514,688
  5. Step 5: Solve for x
    x = 451,513,642,177,514,688/752,531,269.13
  6. Step 6: Final answer
    x = 599,993,197.23

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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.