Home / 676,512,646.02-1,014,919,959.51-216,478,420.74

Finding the Fourth Proportional to 676,512,646.02, 1,014,919,959.51 and 216,478,420.74

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Solution

The fourth proportional to 676,512,646.02, 1,014,919,959.51 and 216,478,420.74 is: 324,765,946.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,512,646.02 : 1,014,919,959.51 = 216,478,420.74 : x
  2. Step 2: Convert to fraction form
    676,512,646.02/1,014,919,959.51 = 216,478,420.74/x
  3. Step 3: Cross multiply
    676,512,646.02x = 1,014,919,959.51 × 216,478,420.74
  4. Step 4: Simplify right side
    676,512,646.02x = 219,708,270,012,229,536
  5. Step 5: Solve for x
    x = 219,708,270,012,229,536/676,512,646.02
  6. Step 6: Final answer
    x = 324,765,946.81

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1.5x scale

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.