Home / 977,900,590.52-1,349,853,837.92-581,422,634.23

Finding the Fourth Proportional to 977,900,590.52, 1,349,853,837.92 and 581,422,634.23

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Solution

The fourth proportional to 977,900,590.52, 1,349,853,837.92 and 581,422,634.23 is: 802,571,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,900,590.52 : 1,349,853,837.92 = 581,422,634.23 : x
  2. Step 2: Convert to fraction form
    977,900,590.52/1,349,853,837.92 = 581,422,634.23/x
  3. Step 3: Cross multiply
    977,900,590.52x = 1,349,853,837.92 × 581,422,634.23
  4. Step 4: Simplify right side
    977,900,590.52x = 784,835,574,268,921,984
  5. Step 5: Solve for x
    x = 784,835,574,268,921,984/977,900,590.52
  6. Step 6: Final answer
    x = 802,571,940.21

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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.