Home / 876,798,083.48-1,209,971,712.32-474,901,833.63

Finding the Fourth Proportional to 876,798,083.48, 1,209,971,712.32 and 474,901,833.63

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Solution

The fourth proportional to 876,798,083.48, 1,209,971,712.32 and 474,901,833.63 is: 655,359,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,798,083.48 : 1,209,971,712.32 = 474,901,833.63 : x
  2. Step 2: Convert to fraction form
    876,798,083.48/1,209,971,712.32 = 474,901,833.63/x
  3. Step 3: Cross multiply
    876,798,083.48x = 1,209,971,712.32 × 474,901,833.63
  4. Step 4: Simplify right side
    876,798,083.48x = 574,617,784,817,589,440
  5. Step 5: Solve for x
    x = 574,617,784,817,589,440/876,798,083.48
  6. Step 6: Final answer
    x = 655,359,307.51

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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.