Home / 2,990,975,461.25-4,127,558,771.48-1,634,637,055.46

Finding the Fourth Proportional to 2,990,975,461.25, 4,127,558,771.48 and 1,634,637,055.46

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Solution

The fourth proportional to 2,990,975,461.25, 4,127,558,771.48 and 1,634,637,055.46 is: 2,255,806,041.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,975,461.25 : 4,127,558,771.48 = 1,634,637,055.46 : x
  2. Step 2: Convert to fraction form
    2,990,975,461.25/4,127,558,771.48 = 1,634,637,055.46/x
  3. Step 3: Cross multiply
    2,990,975,461.25x = 4,127,558,771.48 × 1,634,637,055.46
  4. Step 4: Simplify right side
    2,990,975,461.25x = 6,747,060,516,471,878,656
  5. Step 5: Solve for x
    x = 6,747,060,516,471,878,656/2,990,975,461.25
  6. Step 6: Final answer
    x = 2,255,806,041.83

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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.