Home / 19,988,512,186.34-29,804,065,838.74-19,439,343,649.46

Finding the Fourth Proportional to 19,988,512,186.34, 29,804,065,838.74 and 19,439,343,649.46

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Solution

The fourth proportional to 19,988,512,186.34, 29,804,065,838.74 and 19,439,343,649.46 is: 28,985,222,741.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988,512,186.34 : 29,804,065,838.74 = 19,439,343,649.46 : x
  2. Step 2: Convert to fraction form
    19,988,512,186.34/29,804,065,838.74 = 19,439,343,649.46/x
  3. Step 3: Cross multiply
    19,988,512,186.34x = 29,804,065,838.74 × 19,439,343,649.46
  4. Step 4: Simplify right side
    19,988,512,186.34x = 579,371,477,990,398,164,992
  5. Step 5: Solve for x
    x = 579,371,477,990,398,164,992/19,988,512,186.34
  6. Step 6: Final answer
    x = 28,985,222,741.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.