Home / 7,876,423,929.18-10,872,811,825.11-4,907,666,957.34

Finding the Fourth Proportional to 7,876,423,929.18, 10,872,811,825.11 and 4,907,666,957.34

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Solution

The fourth proportional to 7,876,423,929.18, 10,872,811,825.11 and 4,907,666,957.34 is: 6,774,665,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,423,929.18 : 10,872,811,825.11 = 4,907,666,957.34 : x
  2. Step 2: Convert to fraction form
    7,876,423,929.18/10,872,811,825.11 = 4,907,666,957.34/x
  3. Step 3: Cross multiply
    7,876,423,929.18x = 10,872,811,825.11 × 4,907,666,957.34
  4. Step 4: Simplify right side
    7,876,423,929.18x = 53,360,139,327,467,970,560
  5. Step 5: Solve for x
    x = 53,360,139,327,467,970,560/7,876,423,929.18
  6. Step 6: Final answer
    x = 6,774,665,737.55

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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.