Home / 418,886,129,852.86-578,064,624,592.35-235,985,426,085.83

Finding the Fourth Proportional to 418,886,129,852.86, 578,064,624,592.35 and 235,985,426,085.83

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Solution

The fourth proportional to 418,886,129,852.86, 578,064,624,592.35 and 235,985,426,085.83 is: 325,660,882,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,886,129,852.86 : 578,064,624,592.35 = 235,985,426,085.83 : x
  2. Step 2: Convert to fraction form
    418,886,129,852.86/578,064,624,592.35 = 235,985,426,085.83/x
  3. Step 3: Cross multiply
    418,886,129,852.86x = 578,064,624,592.35 × 235,985,426,085.83
  4. Step 4: Simplify right side
    418,886,129,852.86x = 136,414,826,739,571,068,239,872
  5. Step 5: Solve for x
    x = 136,414,826,739,571,068,239,872/418,886,129,852.86
  6. Step 6: Final answer
    x = 325,660,882,558.92

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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.