Home / 691,122,014.40-1,036,683,021.60-507,456,004.80

Finding the Fourth Proportional to 691,122,014.40, 1,036,683,021.60 and 507,456,004.80

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Solution

The fourth proportional to 691,122,014.40, 1,036,683,021.60 and 507,456,004.80 is: 761,184,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,122,014.40 : 1,036,683,021.60 = 507,456,004.80 : x
  2. Step 2: Convert to fraction form
    691,122,014.40/1,036,683,021.60 = 507,456,004.80/x
  3. Step 3: Cross multiply
    691,122,014.40x = 1,036,683,021.60 × 507,456,004.80
  4. Step 4: Simplify right side
    691,122,014.40x = 526,071,024,385,128,128
  5. Step 5: Solve for x
    x = 526,071,024,385,128,128/691,122,014.40
  6. Step 6: Final answer
    x = 761,184,007.20

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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.