Home / 841,846,019.60-1,262,769,029.40-531,909,628.40

Finding the Fourth Proportional to 841,846,019.60, 1,262,769,029.40 and 531,909,628.40

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Solution

The fourth proportional to 841,846,019.60, 1,262,769,029.40 and 531,909,628.40 is: 797,864,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,846,019.60 : 1,262,769,029.40 = 531,909,628.40 : x
  2. Step 2: Convert to fraction form
    841,846,019.60/1,262,769,029.40 = 531,909,628.40/x
  3. Step 3: Cross multiply
    841,846,019.60x = 1,262,769,029.40 × 531,909,628.40
  4. Step 4: Simplify right side
    841,846,019.60x = 671,679,005,183,182,720
  5. Step 5: Solve for x
    x = 671,679,005,183,182,720/841,846,019.60
  6. Step 6: Final answer
    x = 797,864,442.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.