Home / 1,640,118,478.68-2,263,362,038.31-925,804,386.59

Finding the Fourth Proportional to 1,640,118,478.68, 2,263,362,038.31 and 925,804,386.59

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Solution

The fourth proportional to 1,640,118,478.68, 2,263,362,038.31 and 925,804,386.59 is: 1,277,609,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,118,478.68 : 2,263,362,038.31 = 925,804,386.59 : x
  2. Step 2: Convert to fraction form
    1,640,118,478.68/2,263,362,038.31 = 925,804,386.59/x
  3. Step 3: Cross multiply
    1,640,118,478.68x = 2,263,362,038.31 × 925,804,386.59
  4. Step 4: Simplify right side
    1,640,118,478.68x = 2,095,430,503,500,882,944
  5. Step 5: Solve for x
    x = 2,095,430,503,500,882,944/1,640,118,478.68
  6. Step 6: Final answer
    x = 1,277,609,228.08

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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.