Home / 387,983,942,023.83-535,412,141,882.51-216,708,373,050.63

Finding the Fourth Proportional to 387,983,942,023.83, 535,412,141,882.51 and 216,708,373,050.63

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Solution

The fourth proportional to 387,983,942,023.83, 535,412,141,882.51 and 216,708,373,050.63 is: 299,054,372,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,983,942,023.83 : 535,412,141,882.51 = 216,708,373,050.63 : x
  2. Step 2: Convert to fraction form
    387,983,942,023.83/535,412,141,882.51 = 216,708,373,050.63/x
  3. Step 3: Cross multiply
    387,983,942,023.83x = 535,412,141,882.51 × 216,708,373,050.63
  4. Step 4: Simplify right side
    387,983,942,023.83x = 116,028,294,178,911,822,020,608
  5. Step 5: Solve for x
    x = 116,028,294,178,911,822,020,608/387,983,942,023.83
  6. Step 6: Final answer
    x = 299,054,372,131.17

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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.