Home / 841,104,979.20-1,261,657,468.80-550,867,334.40

Finding the Fourth Proportional to 841,104,979.20, 1,261,657,468.80 and 550,867,334.40

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Solution

The fourth proportional to 841,104,979.20, 1,261,657,468.80 and 550,867,334.40 is: 826,301,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,104,979.20 : 1,261,657,468.80 = 550,867,334.40 : x
  2. Step 2: Convert to fraction form
    841,104,979.20/1,261,657,468.80 = 550,867,334.40/x
  3. Step 3: Cross multiply
    841,104,979.20x = 1,261,657,468.80 × 550,867,334.40
  4. Step 4: Simplify right side
    841,104,979.20x = 695,005,886,763,707,136
  5. Step 5: Solve for x
    x = 695,005,886,763,707,136/841,104,979.20
  6. Step 6: Final answer
    x = 826,301,001.60

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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.