Home / 1,047,573,276.24-1,445,686,020.82-571,289,631.84

Finding the Fourth Proportional to 1,047,573,276.24, 1,445,686,020.82 and 571,289,631.84

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Solution

The fourth proportional to 1,047,573,276.24, 1,445,686,020.82 and 571,289,631.84 is: 788,398,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,573,276.24 : 1,445,686,020.82 = 571,289,631.84 : x
  2. Step 2: Convert to fraction form
    1,047,573,276.24/1,445,686,020.82 = 571,289,631.84/x
  3. Step 3: Cross multiply
    1,047,573,276.24x = 1,445,686,020.82 × 571,289,631.84
  4. Step 4: Simplify right side
    1,047,573,276.24x = 825,905,434,590,492,416
  5. Step 5: Solve for x
    x = 825,905,434,590,492,416/1,047,573,276.24
  6. Step 6: Final answer
    x = 788,398,724.29

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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.