Home / 849,109,681.02-1,273,660,339.77-331,592,689.02

Finding the Fourth Proportional to 849,109,681.02, 1,273,660,339.77 and 331,592,689.02

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Solution

The fourth proportional to 849,109,681.02, 1,273,660,339.77 and 331,592,689.02 is: 497,387,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,109,681.02 : 1,273,660,339.77 = 331,592,689.02 : x
  2. Step 2: Convert to fraction form
    849,109,681.02/1,273,660,339.77 = 331,592,689.02/x
  3. Step 3: Cross multiply
    849,109,681.02x = 1,273,660,339.77 × 331,592,689.02
  4. Step 4: Simplify right side
    849,109,681.02x = 422,336,456,962,461,120
  5. Step 5: Solve for x
    x = 422,336,456,962,461,120/849,109,681.02
  6. Step 6: Final answer
    x = 497,387,400.48

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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.