Home / 402,860,698.27-604,256,432.29-245,252,809.36

Finding the Fourth Proportional to 402,860,698.27, 604,256,432.29 and 245,252,809.36

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Solution

The fourth proportional to 402,860,698.27, 604,256,432.29 and 245,252,809.36 is: 367,858,141.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,860,698.27 : 604,256,432.29 = 245,252,809.36 : x
  2. Step 2: Convert to fraction form
    402,860,698.27/604,256,432.29 = 245,252,809.36/x
  3. Step 3: Cross multiply
    402,860,698.27x = 604,256,432.29 × 245,252,809.36
  4. Step 4: Simplify right side
    402,860,698.27x = 148,195,587,593,115,328
  5. Step 5: Solve for x
    x = 148,195,587,593,115,328/402,860,698.27
  6. Step 6: Final answer
    x = 367,858,141.12

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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.