Home / 786,715,710.53-1,085,662,157.58-429,483,487.12

Finding the Fourth Proportional to 786,715,710.53, 1,085,662,157.58 and 429,483,487.12

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Solution

The fourth proportional to 786,715,710.53, 1,085,662,157.58 and 429,483,487.12 is: 592,684,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,715,710.53 : 1,085,662,157.58 = 429,483,487.12 : x
  2. Step 2: Convert to fraction form
    786,715,710.53/1,085,662,157.58 = 429,483,487.12/x
  3. Step 3: Cross multiply
    786,715,710.53x = 1,085,662,157.58 × 429,483,487.12
  4. Step 4: Simplify right side
    786,715,710.53x = 466,273,969,268,967,168
  5. Step 5: Solve for x
    x = 466,273,969,268,967,168/786,715,710.53
  6. Step 6: Final answer
    x = 592,684,197.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.