Home / 783,171,595.98-1,080,807,639.66-430,780,376.25

Finding the Fourth Proportional to 783,171,595.98, 1,080,807,639.66 and 430,780,376.25

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Solution

The fourth proportional to 783,171,595.98, 1,080,807,639.66 and 430,780,376.25 is: 594,493,881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,171,595.98 : 1,080,807,639.66 = 430,780,376.25 : x
  2. Step 2: Convert to fraction form
    783,171,595.98/1,080,807,639.66 = 430,780,376.25/x
  3. Step 3: Cross multiply
    783,171,595.98x = 1,080,807,639.66 × 430,780,376.25
  4. Step 4: Simplify right side
    783,171,595.98x = 465,590,721,666,609,280
  5. Step 5: Solve for x
    x = 465,590,721,666,609,280/783,171,595.98
  6. Step 6: Final answer
    x = 594,493,881.11

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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.