Home / 953,278,985.58-1,315,540,731.72-524,134,407.06

Finding the Fourth Proportional to 953,278,985.58, 1,315,540,731.72 and 524,134,407.06

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Solution

The fourth proportional to 953,278,985.58, 1,315,540,731.72 and 524,134,407.06 is: 723,314,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,278,985.58 : 1,315,540,731.72 = 524,134,407.06 : x
  2. Step 2: Convert to fraction form
    953,278,985.58/1,315,540,731.72 = 524,134,407.06/x
  3. Step 3: Cross multiply
    953,278,985.58x = 1,315,540,731.72 × 524,134,407.06
  4. Step 4: Simplify right side
    953,278,985.58x = 689,520,161,383,340,800
  5. Step 5: Solve for x
    x = 689,520,161,383,340,800/953,278,985.58
  6. Step 6: Final answer
    x = 723,314,131.34

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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.