Home / 256,219,701.60-384,329,552.40-244,315,423.20

Finding the Fourth Proportional to 256,219,701.60, 384,329,552.40 and 244,315,423.20

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Solution

The fourth proportional to 256,219,701.60, 384,329,552.40 and 244,315,423.20 is: 366,473,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,219,701.60 : 384,329,552.40 = 244,315,423.20 : x
  2. Step 2: Convert to fraction form
    256,219,701.60/384,329,552.40 = 244,315,423.20/x
  3. Step 3: Cross multiply
    256,219,701.60x = 384,329,552.40 × 244,315,423.20
  4. Step 4: Simplify right side
    256,219,701.60x = 93,897,637,242,872,560
  5. Step 5: Solve for x
    x = 93,897,637,242,872,560/256,219,701.60
  6. Step 6: Final answer
    x = 366,473,134.80

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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.