Home / 1,281,438,400,974.60-1,768,386,744,518.60-695,488,255,639.20

Finding the Fourth Proportional to 1,281,438,400,974.60, 1,768,386,744,518.60 and 695,488,255,639.20

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Solution

The fourth proportional to 1,281,438,400,974.60, 1,768,386,744,518.60 and 695,488,255,639.20 is: 959,774,743,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,438,400,974.60 : 1,768,386,744,518.60 = 695,488,255,639.20 : x
  2. Step 2: Convert to fraction form
    1,281,438,400,974.60/1,768,386,744,518.60 = 695,488,255,639.20/x
  3. Step 3: Cross multiply
    1,281,438,400,974.60x = 1,768,386,744,518.60 × 695,488,255,639.20
  4. Step 4: Simplify right side
    1,281,438,400,974.60x = 1,229,892,212,240,724,680,245,248
  5. Step 5: Solve for x
    x = 1,229,892,212,240,724,680,245,248/1,281,438,400,974.60
  6. Step 6: Final answer
    x = 959,774,743,214.60

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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.