Home / 832,128,559.40-1,245,804,051.90-808,240,687.40

Finding the Fourth Proportional to 832,128,559.40, 1,245,804,051.90 and 808,240,687.40

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Solution

The fourth proportional to 832,128,559.40, 1,245,804,051.90 and 808,240,687.40 is: 1,210,040,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,128,559.40 : 1,245,804,051.90 = 808,240,687.40 : x
  2. Step 2: Convert to fraction form
    832,128,559.40/1,245,804,051.90 = 808,240,687.40/x
  3. Step 3: Cross multiply
    832,128,559.40x = 1,245,804,051.90 × 808,240,687.40
  4. Step 4: Simplify right side
    832,128,559.40x = 1,006,909,523,273,361,280
  5. Step 5: Solve for x
    x = 1,006,909,523,273,361,280/832,128,559.40
  6. Step 6: Final answer
    x = 1,210,040,818.69

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