Home / 310,518,217,598.40-465,777,326,397.60-298,328,236,516.80

Finding the Fourth Proportional to 310,518,217,598.40, 465,777,326,397.60 and 298,328,236,516.80

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Solution

The fourth proportional to 310,518,217,598.40, 465,777,326,397.60 and 298,328,236,516.80 is: 447,492,354,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,518,217,598.40 : 465,777,326,397.60 = 298,328,236,516.80 : x
  2. Step 2: Convert to fraction form
    310,518,217,598.40/465,777,326,397.60 = 298,328,236,516.80/x
  3. Step 3: Cross multiply
    310,518,217,598.40x = 465,777,326,397.60 × 298,328,236,516.80
  4. Step 4: Simplify right side
    310,518,217,598.40x = 138,954,528,393,705,956,573,184
  5. Step 5: Solve for x
    x = 138,954,528,393,705,956,573,184/310,518,217,598.40
  6. Step 6: Final answer
    x = 447,492,354,775.20

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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.