Home / 545,894,247.26-753,249,880.76-310,914,951.78

Finding the Fourth Proportional to 545,894,247.26, 753,249,880.76 and 310,914,951.78

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Solution

The fourth proportional to 545,894,247.26, 753,249,880.76 and 310,914,951.78 is: 429,014,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,894,247.26 : 753,249,880.76 = 310,914,951.78 : x
  2. Step 2: Convert to fraction form
    545,894,247.26/753,249,880.76 = 310,914,951.78/x
  3. Step 3: Cross multiply
    545,894,247.26x = 753,249,880.76 × 310,914,951.78
  4. Step 4: Simplify right side
    545,894,247.26x = 234,196,650,354,786,112
  5. Step 5: Solve for x
    x = 234,196,650,354,786,112/545,894,247.26
  6. Step 6: Final answer
    x = 429,014,688.34

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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.