Home / 480,724,059.60-721,086,089.40-448,475,432.40

Finding the Fourth Proportional to 480,724,059.60, 721,086,089.40 and 448,475,432.40

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Solution

The fourth proportional to 480,724,059.60, 721,086,089.40 and 448,475,432.40 is: 672,713,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,724,059.60 : 721,086,089.40 = 448,475,432.40 : x
  2. Step 2: Convert to fraction form
    480,724,059.60/721,086,089.40 = 448,475,432.40/x
  3. Step 3: Cross multiply
    480,724,059.60x = 721,086,089.40 × 448,475,432.40
  4. Step 4: Simplify right side
    480,724,059.60x = 323,389,395,741,290,048
  5. Step 5: Solve for x
    x = 323,389,395,741,290,048/480,724,059.60
  6. Step 6: Final answer
    x = 672,713,148.60

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1.5x scale

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.