Home / 265,248,085.60-397,872,128.40-242,289,834.40

Finding the Fourth Proportional to 265,248,085.60, 397,872,128.40 and 242,289,834.40

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Solution

The fourth proportional to 265,248,085.60, 397,872,128.40 and 242,289,834.40 is: 363,434,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,248,085.60 : 397,872,128.40 = 242,289,834.40 : x
  2. Step 2: Convert to fraction form
    265,248,085.60/397,872,128.40 = 242,289,834.40/x
  3. Step 3: Cross multiply
    265,248,085.60x = 397,872,128.40 × 242,289,834.40
  4. Step 4: Simplify right side
    265,248,085.60x = 96,400,372,102,411,536
  5. Step 5: Solve for x
    x = 96,400,372,102,411,536/265,248,085.60
  6. Step 6: Final answer
    x = 363,434,751.60

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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.