Home / 74,603,344,458.80-111,905,016,688.20-30,413,319,345.20

Finding the Fourth Proportional to 74,603,344,458.80, 111,905,016,688.20 and 30,413,319,345.20

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Solution

The fourth proportional to 74,603,344,458.80, 111,905,016,688.20 and 30,413,319,345.20 is: 45,619,979,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,603,344,458.80 : 111,905,016,688.20 = 30,413,319,345.20 : x
  2. Step 2: Convert to fraction form
    74,603,344,458.80/111,905,016,688.20 = 30,413,319,345.20/x
  3. Step 3: Cross multiply
    74,603,344,458.80x = 111,905,016,688.20 × 30,413,319,345.20
  4. Step 4: Simplify right side
    74,603,344,458.80x = 3,403,403,008,868,161,683,456
  5. Step 5: Solve for x
    x = 3,403,403,008,868,161,683,456/74,603,344,458.80
  6. Step 6: Final answer
    x = 45,619,979,017.80

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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.