Home / 559,872,746.40-839,809,119.60-519,058,077.60

Finding the Fourth Proportional to 559,872,746.40, 839,809,119.60 and 519,058,077.60

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Solution

The fourth proportional to 559,872,746.40, 839,809,119.60 and 519,058,077.60 is: 778,587,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,746.40 : 839,809,119.60 = 519,058,077.60 : x
  2. Step 2: Convert to fraction form
    559,872,746.40/839,809,119.60 = 519,058,077.60/x
  3. Step 3: Cross multiply
    559,872,746.40x = 839,809,119.60 × 519,058,077.60
  4. Step 4: Simplify right side
    559,872,746.40x = 435,909,707,170,524,544
  5. Step 5: Solve for x
    x = 435,909,707,170,524,544/559,872,746.40
  6. Step 6: Final answer
    x = 778,587,116.40

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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.