Home / 1,167,322,565.04-1,610,925,314.04-638,732,749.68

Finding the Fourth Proportional to 1,167,322,565.04, 1,610,925,314.04 and 638,732,749.68

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Solution

The fourth proportional to 1,167,322,565.04, 1,610,925,314.04 and 638,732,749.68 is: 881,462,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,322,565.04 : 1,610,925,314.04 = 638,732,749.68 : x
  2. Step 2: Convert to fraction form
    1,167,322,565.04/1,610,925,314.04 = 638,732,749.68/x
  3. Step 3: Cross multiply
    1,167,322,565.04x = 1,610,925,314.04 × 638,732,749.68
  4. Step 4: Simplify right side
    1,167,322,565.04x = 1,028,950,755,365,886,592
  5. Step 5: Solve for x
    x = 1,028,950,755,365,886,592/1,167,322,565.04
  6. Step 6: Final answer
    x = 881,462,233.47

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Double scale
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1.5x scale

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.