Home / 1,047,573,272.23-1,445,686,015.30-571,289,627.84

Finding the Fourth Proportional to 1,047,573,272.23, 1,445,686,015.30 and 571,289,627.84

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Solution

The fourth proportional to 1,047,573,272.23, 1,445,686,015.30 and 571,289,627.84 is: 788,398,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,573,272.23 : 1,445,686,015.30 = 571,289,627.84 : x
  2. Step 2: Convert to fraction form
    1,047,573,272.23/1,445,686,015.30 = 571,289,627.84/x
  3. Step 3: Cross multiply
    1,047,573,272.23x = 1,445,686,015.30 × 571,289,627.84
  4. Step 4: Simplify right side
    1,047,573,272.23x = 825,905,425,645,572,864
  5. Step 5: Solve for x
    x = 825,905,425,645,572,864/1,047,573,272.23
  6. Step 6: Final answer
    x = 788,398,718.77

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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.