Home / 575,426,256.40-863,139,384.60-391,760,246.80

Finding the Fourth Proportional to 575,426,256.40, 863,139,384.60 and 391,760,246.80

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Solution

The fourth proportional to 575,426,256.40, 863,139,384.60 and 391,760,246.80 is: 587,640,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,426,256.40 : 863,139,384.60 = 391,760,246.80 : x
  2. Step 2: Convert to fraction form
    575,426,256.40/863,139,384.60 = 391,760,246.80/x
  3. Step 3: Cross multiply
    575,426,256.40x = 863,139,384.60 × 391,760,246.80
  4. Step 4: Simplify right side
    575,426,256.40x = 338,143,698,333,696,128
  5. Step 5: Solve for x
    x = 338,143,698,333,696,128/575,426,256.40
  6. Step 6: Final answer
    x = 587,640,370.20

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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.