Home / 713,232,374.40-1,069,848,561.60-305,085,686.40

Finding the Fourth Proportional to 713,232,374.40, 1,069,848,561.60 and 305,085,686.40

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Solution

The fourth proportional to 713,232,374.40, 1,069,848,561.60 and 305,085,686.40 is: 457,628,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,232,374.40 : 1,069,848,561.60 = 305,085,686.40 : x
  2. Step 2: Convert to fraction form
    713,232,374.40/1,069,848,561.60 = 305,085,686.40/x
  3. Step 3: Cross multiply
    713,232,374.40x = 1,069,848,561.60 × 305,085,686.40
  4. Step 4: Simplify right side
    713,232,374.40x = 326,395,482,759,788,672
  5. Step 5: Solve for x
    x = 326,395,482,759,788,672/713,232,374.40
  6. Step 6: Final answer
    x = 457,628,529.60

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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.