Home / 997,273,276.40-1,495,909,914.60-307,090,849.70

Finding the Fourth Proportional to 997,273,276.40, 1,495,909,914.60 and 307,090,849.70

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Solution

The fourth proportional to 997,273,276.40, 1,495,909,914.60 and 307,090,849.70 is: 460,636,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,273,276.40 : 1,495,909,914.60 = 307,090,849.70 : x
  2. Step 2: Convert to fraction form
    997,273,276.40/1,495,909,914.60 = 307,090,849.70/x
  3. Step 3: Cross multiply
    997,273,276.40x = 1,495,909,914.60 × 307,090,849.70
  4. Step 4: Simplify right side
    997,273,276.40x = 459,380,246,749,168,384
  5. Step 5: Solve for x
    x = 459,380,246,749,168,384/997,273,276.40
  6. Step 6: Final answer
    x = 460,636,274.55

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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.