Home / 355,528,631.16-533,182,262.40-125,443,809

Finding the Fourth Proportional to 355,528,631.16, 533,182,262.40 and 125,443,809

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Solution

The fourth proportional to 355,528,631.16, 533,182,262.40 and 125,443,809 is: 188,126,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,528,631.16 : 533,182,262.40 = 125,443,809 : x
  2. Step 2: Convert to fraction form
    355,528,631.16/533,182,262.40 = 125,443,809/x
  3. Step 3: Cross multiply
    355,528,631.16x = 533,182,262.40 × 125,443,809
  4. Step 4: Simplify right side
    355,528,631.16x = 66,884,413,886,693,480
  5. Step 5: Solve for x
    x = 66,884,413,886,693,480/355,528,631.16
  6. Step 6: Final answer
    x = 188,126,659.92

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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.