Home / 929,849,224.86-1,283,191,815.16-512,161,510.21

Finding the Fourth Proportional to 929,849,224.86, 1,283,191,815.16 and 512,161,510.21

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Solution

The fourth proportional to 929,849,224.86, 1,283,191,815.16 and 512,161,510.21 is: 706,782,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,849,224.86 : 1,283,191,815.16 = 512,161,510.21 : x
  2. Step 2: Convert to fraction form
    929,849,224.86/1,283,191,815.16 = 512,161,510.21/x
  3. Step 3: Cross multiply
    929,849,224.86x = 1,283,191,815.16 × 512,161,510.21
  4. Step 4: Simplify right side
    929,849,224.86x = 657,201,457,938,863,360
  5. Step 5: Solve for x
    x = 657,201,457,938,863,360/929,849,224.86
  6. Step 6: Final answer
    x = 706,782,820.66

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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.