Home / 986,734,280.45-1,480,103,943.96-249,804,263.81

Finding the Fourth Proportional to 986,734,280.45, 1,480,103,943.96 and 249,804,263.81

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Solution

The fourth proportional to 986,734,280.45, 1,480,103,943.96 and 249,804,263.81 is: 374,707,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,734,280.45 : 1,480,103,943.96 = 249,804,263.81 : x
  2. Step 2: Convert to fraction form
    986,734,280.45/1,480,103,943.96 = 249,804,263.81/x
  3. Step 3: Cross multiply
    986,734,280.45x = 1,480,103,943.96 × 249,804,263.81
  4. Step 4: Simplify right side
    986,734,280.45x = 369,736,276,075,804,800
  5. Step 5: Solve for x
    x = 369,736,276,075,804,800/986,734,280.45
  6. Step 6: Final answer
    x = 374,707,034.51

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Why These Related Problems?

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