Home / 1,412,136,824.84-1,948,766,448.75-777,130,374.50

Finding the Fourth Proportional to 1,412,136,824.84, 1,948,766,448.75 and 777,130,374.50

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Solution

The fourth proportional to 1,412,136,824.84, 1,948,766,448.75 and 777,130,374.50 is: 1,072,449,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,136,824.84 : 1,948,766,448.75 = 777,130,374.50 : x
  2. Step 2: Convert to fraction form
    1,412,136,824.84/1,948,766,448.75 = 777,130,374.50/x
  3. Step 3: Cross multiply
    1,412,136,824.84x = 1,948,766,448.75 × 777,130,374.50
  4. Step 4: Simplify right side
    1,412,136,824.84x = 1,514,445,600,130,122,496
  5. Step 5: Solve for x
    x = 1,514,445,600,130,122,496/1,412,136,824.84
  6. Step 6: Final answer
    x = 1,072,449,619.25

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1.5x scale

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.