Home / 2,789,547,681.33-3,849,575,454.81-1,536,484,537.40

Finding the Fourth Proportional to 2,789,547,681.33, 3,849,575,454.81 and 1,536,484,537.40

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Solution

The fourth proportional to 2,789,547,681.33, 3,849,575,454.81 and 1,536,484,537.40 is: 2,120,348,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,547,681.33 : 3,849,575,454.81 = 1,536,484,537.40 : x
  2. Step 2: Convert to fraction form
    2,789,547,681.33/3,849,575,454.81 = 1,536,484,537.40/x
  3. Step 3: Cross multiply
    2,789,547,681.33x = 3,849,575,454.81 × 1,536,484,537.40
  4. Step 4: Simplify right side
    2,789,547,681.33x = 5,914,813,161,850,889,216
  5. Step 5: Solve for x
    x = 5,914,813,161,850,889,216/2,789,547,681.33
  6. Step 6: Final answer
    x = 2,120,348,471.34

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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.