Home / 1,383,408,047.90-2,075,112,071.85-1,249,963,212.80

Finding the Fourth Proportional to 1,383,408,047.90, 2,075,112,071.85 and 1,249,963,212.80

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Solution

The fourth proportional to 1,383,408,047.90, 2,075,112,071.85 and 1,249,963,212.80 is: 1,874,944,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,408,047.90 : 2,075,112,071.85 = 1,249,963,212.80 : x
  2. Step 2: Convert to fraction form
    1,383,408,047.90/2,075,112,071.85 = 1,249,963,212.80/x
  3. Step 3: Cross multiply
    1,383,408,047.90x = 2,075,112,071.85 × 1,249,963,212.80
  4. Step 4: Simplify right side
    1,383,408,047.90x = 2,593,813,752,249,690,112
  5. Step 5: Solve for x
    x = 2,593,813,752,249,690,112/1,383,408,047.90
  6. Step 6: Final answer
    x = 1,874,944,819.20

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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.