Home / 452,355,281.40-678,144,305.16-157,212,054.84

Finding the Fourth Proportional to 452,355,281.40, 678,144,305.16 and 157,212,054.84

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Solution

The fourth proportional to 452,355,281.40, 678,144,305.16 and 157,212,054.84 is: 235,683,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,355,281.40 : 678,144,305.16 = 157,212,054.84 : x
  2. Step 2: Convert to fraction form
    452,355,281.40/678,144,305.16 = 157,212,054.84/x
  3. Step 3: Cross multiply
    452,355,281.40x = 678,144,305.16 × 157,212,054.84
  4. Step 4: Simplify right side
    452,355,281.40x = 106,612,459,692,247,616
  5. Step 5: Solve for x
    x = 106,612,459,692,247,616/452,355,281.40
  6. Step 6: Final answer
    x = 235,683,021.90

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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.