Home / 986,734,278.95-1,480,103,941.70-249,804,262.31

Finding the Fourth Proportional to 986,734,278.95, 1,480,103,941.70 and 249,804,262.31

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Solution

The fourth proportional to 986,734,278.95, 1,480,103,941.70 and 249,804,262.31 is: 374,707,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,734,278.95 : 1,480,103,941.70 = 249,804,262.31 : x
  2. Step 2: Convert to fraction form
    986,734,278.95/1,480,103,941.70 = 249,804,262.31/x
  3. Step 3: Cross multiply
    986,734,278.95x = 1,480,103,941.70 × 249,804,262.31
  4. Step 4: Simplify right side
    986,734,278.95x = 369,736,273,291,715,776
  5. Step 5: Solve for x
    x = 369,736,273,291,715,776/986,734,278.95
  6. Step 6: Final answer
    x = 374,707,032.26

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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.