Home / 55,916,977,833.60-77,164,970,827.20-30,542,465,347.20

Finding the Fourth Proportional to 55,916,977,833.60, 77,164,970,827.20 and 30,542,465,347.20

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Solution

The fourth proportional to 55,916,977,833.60, 77,164,970,827.20 and 30,542,465,347.20 is: 42,148,351,695.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,916,977,833.60 : 77,164,970,827.20 = 30,542,465,347.20 : x
  2. Step 2: Convert to fraction form
    55,916,977,833.60/77,164,970,827.20 = 30,542,465,347.20/x
  3. Step 3: Cross multiply
    55,916,977,833.60x = 77,164,970,827.20 × 30,542,465,347.20
  4. Step 4: Simplify right side
    55,916,977,833.60x = 2,356,808,447,507,454,754,816
  5. Step 5: Solve for x
    x = 2,356,808,447,507,454,754,816/55,916,977,833.60
  6. Step 6: Final answer
    x = 42,148,351,695.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.