Home / 343,807,547.76-515,890,480.68-152,286,534

Finding the Fourth Proportional to 343,807,547.76, 515,890,480.68 and 152,286,534

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Solution

The fourth proportional to 343,807,547.76, 515,890,480.68 and 152,286,534 is: 228,509,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,807,547.76 : 515,890,480.68 = 152,286,534 : x
  2. Step 2: Convert to fraction form
    343,807,547.76/515,890,480.68 = 152,286,534/x
  3. Step 3: Cross multiply
    343,807,547.76x = 515,890,480.68 × 152,286,534
  4. Step 4: Simplify right side
    343,807,547.76x = 78,563,173,226,351,168
  5. Step 5: Solve for x
    x = 78,563,173,226,351,168/343,807,547.76
  6. Step 6: Final answer
    x = 228,509,157.92

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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.