Home / 879,598,490.16-1,213,860,471.30-483,158,113.32

Finding the Fourth Proportional to 879,598,490.16, 1,213,860,471.30 and 483,158,113.32

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Solution

The fourth proportional to 879,598,490.16, 1,213,860,471.30 and 483,158,113.32 is: 666,766,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,598,490.16 : 1,213,860,471.30 = 483,158,113.32 : x
  2. Step 2: Convert to fraction form
    879,598,490.16/1,213,860,471.30 = 483,158,113.32/x
  3. Step 3: Cross multiply
    879,598,490.16x = 1,213,860,471.30 × 483,158,113.32
  4. Step 4: Simplify right side
    879,598,490.16x = 586,486,535,147,033,984
  5. Step 5: Solve for x
    x = 586,486,535,147,033,984/879,598,490.16
  6. Step 6: Final answer
    x = 666,766,191.29

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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.