Home / 977,585,952.55-1,468,079,540.03-518,420,928.55

Finding the Fourth Proportional to 977,585,952.55, 1,468,079,540.03 and 518,420,928.55

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Solution

The fourth proportional to 977,585,952.55, 1,468,079,540.03 and 518,420,928.55 is: 778,533,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,585,952.55 : 1,468,079,540.03 = 518,420,928.55 : x
  2. Step 2: Convert to fraction form
    977,585,952.55/1,468,079,540.03 = 518,420,928.55/x
  3. Step 3: Cross multiply
    977,585,952.55x = 1,468,079,540.03 × 518,420,928.55
  4. Step 4: Simplify right side
    977,585,952.55x = 761,083,158,325,017,472
  5. Step 5: Solve for x
    x = 761,083,158,325,017,472/977,585,952.55
  6. Step 6: Final answer
    x = 778,533,239.29

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Double scale
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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.