Home / 887,886,829.52-1,225,286,446.20-491,437,354.76

Finding the Fourth Proportional to 887,886,829.52, 1,225,286,446.20 and 491,437,354.76

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Solution

The fourth proportional to 887,886,829.52, 1,225,286,446.20 and 491,437,354.76 is: 678,185,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,886,829.52 : 1,225,286,446.20 = 491,437,354.76 : x
  2. Step 2: Convert to fraction form
    887,886,829.52/1,225,286,446.20 = 491,437,354.76/x
  3. Step 3: Cross multiply
    887,886,829.52x = 1,225,286,446.20 × 491,437,354.76
  4. Step 4: Simplify right side
    887,886,829.52x = 602,151,529,943,809,024
  5. Step 5: Solve for x
    x = 602,151,529,943,809,024/887,886,829.52
  6. Step 6: Final answer
    x = 678,185,000.52

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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.