Home / 1,159,956,261.54-1,600,773,632.73-631,354,485.06

Finding the Fourth Proportional to 1,159,956,261.54, 1,600,773,632.73 and 631,354,485.06

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Solution

The fourth proportional to 1,159,956,261.54, 1,600,773,632.73 and 631,354,485.06 is: 871,287,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,956,261.54 : 1,600,773,632.73 = 631,354,485.06 : x
  2. Step 2: Convert to fraction form
    1,159,956,261.54/1,600,773,632.73 = 631,354,485.06/x
  3. Step 3: Cross multiply
    1,159,956,261.54x = 1,600,773,632.73 × 631,354,485.06
  4. Step 4: Simplify right side
    1,159,956,261.54x = 1,010,655,612,589,874,688
  5. Step 5: Solve for x
    x = 1,010,655,612,589,874,688/1,159,956,261.54
  6. Step 6: Final answer
    x = 871,287,690.84

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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.