Home / 384,869,483.78-577,357,887.40-118,996,903.48

Finding the Fourth Proportional to 384,869,483.78, 577,357,887.40 and 118,996,903.48

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Solution

The fourth proportional to 384,869,483.78, 577,357,887.40 and 118,996,903.48 is: 178,511,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,869,483.78 : 577,357,887.40 = 118,996,903.48 : x
  2. Step 2: Convert to fraction form
    384,869,483.78/577,357,887.40 = 118,996,903.48/x
  3. Step 3: Cross multiply
    384,869,483.78x = 577,357,887.40 × 118,996,903.48
  4. Step 4: Simplify right side
    384,869,483.78x = 68,703,800,800,354,504
  5. Step 5: Solve for x
    x = 68,703,800,800,354,504/384,869,483.78
  6. Step 6: Final answer
    x = 178,511,946.77

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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.