Home / 310,518,219,348.40-465,777,329,022.60-298,328,238,266.80

Finding the Fourth Proportional to 310,518,219,348.40, 465,777,329,022.60 and 298,328,238,266.80

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Solution

The fourth proportional to 310,518,219,348.40, 465,777,329,022.60 and 298,328,238,266.80 is: 447,492,357,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,518,219,348.40 : 465,777,329,022.60 = 298,328,238,266.80 : x
  2. Step 2: Convert to fraction form
    310,518,219,348.40/465,777,329,022.60 = 298,328,238,266.80/x
  3. Step 3: Cross multiply
    310,518,219,348.40x = 465,777,329,022.60 × 298,328,238,266.80
  4. Step 4: Simplify right side
    310,518,219,348.40x = 138,954,529,991,927,896,473,600
  5. Step 5: Solve for x
    x = 138,954,529,991,927,896,473,600/310,518,219,348.40
  6. Step 6: Final answer
    x = 447,492,357,400.20

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Double scale
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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.