Home / 875,141,208.52-1,207,432,679.70-503,853,693.64

Finding the Fourth Proportional to 875,141,208.52, 1,207,432,679.70 and 503,853,693.64

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Solution

The fourth proportional to 875,141,208.52, 1,207,432,679.70 and 503,853,693.64 is: 695,167,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,141,208.52 : 1,207,432,679.70 = 503,853,693.64 : x
  2. Step 2: Convert to fraction form
    875,141,208.52/1,207,432,679.70 = 503,853,693.64/x
  3. Step 3: Cross multiply
    875,141,208.52x = 1,207,432,679.70 × 503,853,693.64
  4. Step 4: Simplify right side
    875,141,208.52x = 608,369,415,488,488,064
  5. Step 5: Solve for x
    x = 608,369,415,488,488,064/875,141,208.52
  6. Step 6: Final answer
    x = 695,167,145.10

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Double scale
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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.