Home / 488,586,935.40-732,880,403.10-412,059,431.40

Finding the Fourth Proportional to 488,586,935.40, 732,880,403.10 and 412,059,431.40

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Solution

The fourth proportional to 488,586,935.40, 732,880,403.10 and 412,059,431.40 is: 618,089,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,586,935.40 : 732,880,403.10 = 412,059,431.40 : x
  2. Step 2: Convert to fraction form
    488,586,935.40/732,880,403.10 = 412,059,431.40/x
  3. Step 3: Cross multiply
    488,586,935.40x = 732,880,403.10 × 412,059,431.40
  4. Step 4: Simplify right side
    488,586,935.40x = 301,990,282,185,588,800
  5. Step 5: Solve for x
    x = 301,990,282,185,588,800/488,586,935.40
  6. Step 6: Final answer
    x = 618,089,147.10

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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.