Home / 19,988,512,184.34-29,804,065,835.76-19,439,343,647.46

Finding the Fourth Proportional to 19,988,512,184.34, 29,804,065,835.76 and 19,439,343,647.46

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Solution

The fourth proportional to 19,988,512,184.34, 29,804,065,835.76 and 19,439,343,647.46 is: 28,985,222,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988,512,184.34 : 29,804,065,835.76 = 19,439,343,647.46 : x
  2. Step 2: Convert to fraction form
    19,988,512,184.34/29,804,065,835.76 = 19,439,343,647.46/x
  3. Step 3: Cross multiply
    19,988,512,184.34x = 29,804,065,835.76 × 19,439,343,647.46
  4. Step 4: Simplify right side
    19,988,512,184.34x = 579,371,477,872,860,725,248
  5. Step 5: Solve for x
    x = 579,371,477,872,860,725,248/19,988,512,184.34
  6. Step 6: Final answer
    x = 28,985,222,738.43

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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.