Home / 10,345,864,820.48-15,528,608,425.92-6,403,646,111.84

Finding the Fourth Proportional to 10,345,864,820.48, 15,528,608,425.92 and 6,403,646,111.84

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Solution

The fourth proportional to 10,345,864,820.48, 15,528,608,425.92 and 6,403,646,111.84 is: 9,611,541,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345,864,820.48 : 15,528,608,425.92 = 6,403,646,111.84 : x
  2. Step 2: Convert to fraction form
    10,345,864,820.48/15,528,608,425.92 = 6,403,646,111.84/x
  3. Step 3: Cross multiply
    10,345,864,820.48x = 15,528,608,425.92 × 6,403,646,111.84
  4. Step 4: Simplify right side
    10,345,864,820.48x = 99,439,712,968,928,477,184
  5. Step 5: Solve for x
    x = 99,439,712,968,928,477,184/10,345,864,820.48
  6. Step 6: Final answer
    x = 9,611,541,876.33

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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.