Home / 1,315,898,554.01-1,973,832,607.67-319,925,234.70

Finding the Fourth Proportional to 1,315,898,554.01, 1,973,832,607.67 and 319,925,234.70

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Solution

The fourth proportional to 1,315,898,554.01, 1,973,832,607.67 and 319,925,234.70 is: 479,884,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,898,554.01 : 1,973,832,607.67 = 319,925,234.70 : x
  2. Step 2: Convert to fraction form
    1,315,898,554.01/1,973,832,607.67 = 319,925,234.70/x
  3. Step 3: Cross multiply
    1,315,898,554.01x = 1,973,832,607.67 × 319,925,234.70
  4. Step 4: Simplify right side
    1,315,898,554.01x = 631,478,860,265,738,112
  5. Step 5: Solve for x
    x = 631,478,860,265,738,112/1,315,898,554.01
  6. Step 6: Final answer
    x = 479,884,150.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.