Home / 354,319,421.60-531,479,132.40-163,216,445.60

Finding the Fourth Proportional to 354,319,421.60, 531,479,132.40 and 163,216,445.60

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Solution

The fourth proportional to 354,319,421.60, 531,479,132.40 and 163,216,445.60 is: 244,824,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,319,421.60 : 531,479,132.40 = 163,216,445.60 : x
  2. Step 2: Convert to fraction form
    354,319,421.60/531,479,132.40 = 163,216,445.60/x
  3. Step 3: Cross multiply
    354,319,421.60x = 531,479,132.40 × 163,216,445.60
  4. Step 4: Simplify right side
    354,319,421.60x = 86,746,134,900,899,792
  5. Step 5: Solve for x
    x = 86,746,134,900,899,792/354,319,421.60
  6. Step 6: Final answer
    x = 244,824,668.40

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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.