Home / 468,477,904.20-698,528,539.48-455,606,766.60

Finding the Fourth Proportional to 468,477,904.20, 698,528,539.48 and 455,606,766.60

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Solution

The fourth proportional to 468,477,904.20, 698,528,539.48 and 455,606,766.60 is: 679,336,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,477,904.20 : 698,528,539.48 = 455,606,766.60 : x
  2. Step 2: Convert to fraction form
    468,477,904.20/698,528,539.48 = 455,606,766.60/x
  3. Step 3: Cross multiply
    468,477,904.20x = 698,528,539.48 × 455,606,766.60
  4. Step 4: Simplify right side
    468,477,904.20x = 318,254,329,250,303,296
  5. Step 5: Solve for x
    x = 318,254,329,250,303,296/468,477,904.20
  6. Step 6: Final answer
    x = 679,336,904.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.