Home / 810,863,505.76-1,118,948,541.36-458,418,424.48

Finding the Fourth Proportional to 810,863,505.76, 1,118,948,541.36 and 458,418,424.48

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Solution

The fourth proportional to 810,863,505.76, 1,118,948,541.36 and 458,418,424.48 is: 632,593,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,863,505.76 : 1,118,948,541.36 = 458,418,424.48 : x
  2. Step 2: Convert to fraction form
    810,863,505.76/1,118,948,541.36 = 458,418,424.48/x
  3. Step 3: Cross multiply
    810,863,505.76x = 1,118,948,541.36 × 458,418,424.48
  4. Step 4: Simplify right side
    810,863,505.76x = 512,946,627,404,445,312
  5. Step 5: Solve for x
    x = 512,946,627,404,445,312/810,863,505.76
  6. Step 6: Final answer
    x = 632,593,061.30

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1.5x scale

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.