Home / 929,849,228.86-1,283,191,820.69-512,161,514.22

Finding the Fourth Proportional to 929,849,228.86, 1,283,191,820.69 and 512,161,514.22

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Solution

The fourth proportional to 929,849,228.86, 1,283,191,820.69 and 512,161,514.22 is: 706,782,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,849,228.86 : 1,283,191,820.69 = 512,161,514.22 : x
  2. Step 2: Convert to fraction form
    929,849,228.86/1,283,191,820.69 = 512,161,514.22/x
  3. Step 3: Cross multiply
    929,849,228.86x = 1,283,191,820.69 × 512,161,514.22
  4. Step 4: Simplify right side
    929,849,228.86x = 657,201,465,919,309,184
  5. Step 5: Solve for x
    x = 657,201,465,919,309,184/929,849,228.86
  6. Step 6: Final answer
    x = 706,782,826.21

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Double scale
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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.