Home / 989,373,002.40-1,483,953,215.40-262,361,714.40

Finding the Fourth Proportional to 989,373,002.40, 1,483,953,215.40 and 262,361,714.40

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Solution

The fourth proportional to 989,373,002.40, 1,483,953,215.40 and 262,361,714.40 is: 393,514,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,373,002.40 : 1,483,953,215.40 = 262,361,714.40 : x
  2. Step 2: Convert to fraction form
    989,373,002.40/1,483,953,215.40 = 262,361,714.40/x
  3. Step 3: Cross multiply
    989,373,002.40x = 1,483,953,215.40 × 262,361,714.40
  4. Step 4: Simplify right side
    989,373,002.40x = 389,332,509,681,736,512
  5. Step 5: Solve for x
    x = 389,332,509,681,736,512/989,373,002.40
  6. Step 6: Final answer
    x = 393,514,386.12

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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.