Home / 929,849,230.36-1,283,191,822.76-512,161,515.72

Finding the Fourth Proportional to 929,849,230.36, 1,283,191,822.76 and 512,161,515.72

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Solution

The fourth proportional to 929,849,230.36, 1,283,191,822.76 and 512,161,515.72 is: 706,782,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,849,230.36 : 1,283,191,822.76 = 512,161,515.72 : x
  2. Step 2: Convert to fraction form
    929,849,230.36/1,283,191,822.76 = 512,161,515.72/x
  3. Step 3: Cross multiply
    929,849,230.36x = 1,283,191,822.76 × 512,161,515.72
  4. Step 4: Simplify right side
    929,849,230.36x = 657,201,468,904,271,232
  5. Step 5: Solve for x
    x = 657,201,468,904,271,232/929,849,230.36
  6. Step 6: Final answer
    x = 706,782,828.28

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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.