Home / 394,487,002.60-591,730,503.90-164,621,055.40

Finding the Fourth Proportional to 394,487,002.60, 591,730,503.90 and 164,621,055.40

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Solution

The fourth proportional to 394,487,002.60, 591,730,503.90 and 164,621,055.40 is: 246,931,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,487,002.60 : 591,730,503.90 = 164,621,055.40 : x
  2. Step 2: Convert to fraction form
    394,487,002.60/591,730,503.90 = 164,621,055.40/x
  3. Step 3: Cross multiply
    394,487,002.60x = 591,730,503.90 × 164,621,055.40
  4. Step 4: Simplify right side
    394,487,002.60x = 97,411,300,064,391,808
  5. Step 5: Solve for x
    x = 97,411,300,064,391,808/394,487,002.60
  6. Step 6: Final answer
    x = 246,931,583.10

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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.