Home / 691,122,014.90-1,036,683,022.35-507,456,005.30

Finding the Fourth Proportional to 691,122,014.90, 1,036,683,022.35 and 507,456,005.30

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Solution

The fourth proportional to 691,122,014.90, 1,036,683,022.35 and 507,456,005.30 is: 761,184,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,122,014.90 : 1,036,683,022.35 = 507,456,005.30 : x
  2. Step 2: Convert to fraction form
    691,122,014.90/1,036,683,022.35 = 507,456,005.30/x
  3. Step 3: Cross multiply
    691,122,014.90x = 1,036,683,022.35 × 507,456,005.30
  4. Step 4: Simplify right side
    691,122,014.90x = 526,071,025,284,061,632
  5. Step 5: Solve for x
    x = 526,071,025,284,061,632/691,122,014.90
  6. Step 6: Final answer
    x = 761,184,007.95

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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.