Home / 840,086,145.54-1,159,319,090.97-463,742,951.94

Finding the Fourth Proportional to 840,086,145.54, 1,159,319,090.97 and 463,742,951.94

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Solution

The fourth proportional to 840,086,145.54, 1,159,319,090.97 and 463,742,951.94 is: 639,965,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,086,145.54 : 1,159,319,090.97 = 463,742,951.94 : x
  2. Step 2: Convert to fraction form
    840,086,145.54/1,159,319,090.97 = 463,742,951.94/x
  3. Step 3: Cross multiply
    840,086,145.54x = 1,159,319,090.97 × 463,742,951.94
  4. Step 4: Simplify right side
    840,086,145.54x = 537,626,057,486,825,216
  5. Step 5: Solve for x
    x = 537,626,057,486,825,216/840,086,145.54
  6. Step 6: Final answer
    x = 639,965,389.67

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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.