Home / 959,018,485.52-1,323,440,644.38-518,985,337.52

Finding the Fourth Proportional to 959,018,485.52, 1,323,440,644.38 and 518,985,337.52

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Solution

The fourth proportional to 959,018,485.52, 1,323,440,644.38 and 518,985,337.52 is: 716,197,132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,018,485.52 : 1,323,440,644.38 = 518,985,337.52 : x
  2. Step 2: Convert to fraction form
    959,018,485.52/1,323,440,644.38 = 518,985,337.52/x
  3. Step 3: Cross multiply
    959,018,485.52x = 1,323,440,644.38 × 518,985,337.52
  4. Step 4: Simplify right side
    959,018,485.52x = 686,846,289,511,240,576
  5. Step 5: Solve for x
    x = 686,846,289,511,240,576/959,018,485.52
  6. Step 6: Final answer
    x = 716,197,132.67

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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.