Home / 1,106,172,100.78-1,526,499,440.85-604,370,085.64

Finding the Fourth Proportional to 1,106,172,100.78, 1,526,499,440.85 and 604,370,085.64

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Solution

The fourth proportional to 1,106,172,100.78, 1,526,499,440.85 and 604,370,085.64 is: 834,020,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,172,100.78 : 1,526,499,440.85 = 604,370,085.64 : x
  2. Step 2: Convert to fraction form
    1,106,172,100.78/1,526,499,440.85 = 604,370,085.64/x
  3. Step 3: Cross multiply
    1,106,172,100.78x = 1,526,499,440.85 × 604,370,085.64
  4. Step 4: Simplify right side
    1,106,172,100.78x = 922,570,597,795,926,528
  5. Step 5: Solve for x
    x = 922,570,597,795,926,528/1,106,172,100.78
  6. Step 6: Final answer
    x = 834,020,851.86

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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.