Home / 1,119,744,957.60-1,679,617,436.40-938,346,429.60

Finding the Fourth Proportional to 1,119,744,957.60, 1,679,617,436.40 and 938,346,429.60

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Solution

The fourth proportional to 1,119,744,957.60, 1,679,617,436.40 and 938,346,429.60 is: 1,407,519,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,957.60 : 1,679,617,436.40 = 938,346,429.60 : x
  2. Step 2: Convert to fraction form
    1,119,744,957.60/1,679,617,436.40 = 938,346,429.60/x
  3. Step 3: Cross multiply
    1,119,744,957.60x = 1,679,617,436.40 × 938,346,429.60
  4. Step 4: Simplify right side
    1,119,744,957.60x = 1,576,063,024,539,845,120
  5. Step 5: Solve for x
    x = 1,576,063,024,539,845,120/1,119,744,957.60
  6. Step 6: Final answer
    x = 1,407,519,644.40

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1.5x scale

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.