Home / 437,035,795.20-655,553,692.80-434,484,878.40

Finding the Fourth Proportional to 437,035,795.20, 655,553,692.80 and 434,484,878.40

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Solution

The fourth proportional to 437,035,795.20, 655,553,692.80 and 434,484,878.40 is: 651,727,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,035,795.20 : 655,553,692.80 = 434,484,878.40 : x
  2. Step 2: Convert to fraction form
    437,035,795.20/655,553,692.80 = 434,484,878.40/x
  3. Step 3: Cross multiply
    437,035,795.20x = 655,553,692.80 × 434,484,878.40
  4. Step 4: Simplify right side
    437,035,795.20x = 284,828,166,500,878,912
  5. Step 5: Solve for x
    x = 284,828,166,500,878,912/437,035,795.20
  6. Step 6: Final answer
    x = 651,727,317.60

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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.