Home / 265,742,956.48-398,477,888.16-120,097,629.76

Finding the Fourth Proportional to 265,742,956.48, 398,477,888.16 and 120,097,629.76

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Solution

The fourth proportional to 265,742,956.48, 398,477,888.16 and 120,097,629.76 is: 180,084,734.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,742,956.48 : 398,477,888.16 = 120,097,629.76 : x
  2. Step 2: Convert to fraction form
    265,742,956.48/398,477,888.16 = 120,097,629.76/x
  3. Step 3: Cross multiply
    265,742,956.48x = 398,477,888.16 × 120,097,629.76
  4. Step 4: Simplify right side
    265,742,956.48x = 47,856,249,879,786,376
  5. Step 5: Solve for x
    x = 47,856,249,879,786,376/265,742,956.48
  6. Step 6: Final answer
    x = 180,084,734.94

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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.