Home / 1,298,631,637.65-1,792,063,647.79-703,903,352.59

Finding the Fourth Proportional to 1,298,631,637.65, 1,792,063,647.79 and 703,903,352.59

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Solution

The fourth proportional to 1,298,631,637.65, 1,792,063,647.79 and 703,903,352.59 is: 971,360,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,631,637.65 : 1,792,063,647.79 = 703,903,352.59 : x
  2. Step 2: Convert to fraction form
    1,298,631,637.65/1,792,063,647.79 = 703,903,352.59/x
  3. Step 3: Cross multiply
    1,298,631,637.65x = 1,792,063,647.79 × 703,903,352.59
  4. Step 4: Simplify right side
    1,298,631,637.65x = 1,261,439,609,734,045,952
  5. Step 5: Solve for x
    x = 1,261,439,609,734,045,952/1,298,631,637.65
  6. Step 6: Final answer
    x = 971,360,602.32

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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.