Home / 1,281,438,400,799-1,768,386,744,276.20-695,488,255,463.02

Finding the Fourth Proportional to 1,281,438,400,799, 1,768,386,744,276.20 and 695,488,255,463.02

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Solution

The fourth proportional to 1,281,438,400,799, 1,768,386,744,276.20 and 695,488,255,463.02 is: 959,774,742,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,438,400,799 : 1,768,386,744,276.20 = 695,488,255,463.02 : x
  2. Step 2: Convert to fraction form
    1,281,438,400,799/1,768,386,744,276.20 = 695,488,255,463.02/x
  3. Step 3: Cross multiply
    1,281,438,400,799x = 1,768,386,744,276.20 × 695,488,255,463.02
  4. Step 4: Simplify right side
    1,281,438,400,799x = 1,229,892,211,760,584,112,209,920
  5. Step 5: Solve for x
    x = 1,229,892,211,760,584,112,209,920/1,281,438,400,799
  6. Step 6: Final answer
    x = 959,774,742,971.43

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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.