Home / 434,411,384.80-651,617,077.20-386,794,271.20

Finding the Fourth Proportional to 434,411,384.80, 651,617,077.20 and 386,794,271.20

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Solution

The fourth proportional to 434,411,384.80, 651,617,077.20 and 386,794,271.20 is: 580,191,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,411,384.80 : 651,617,077.20 = 386,794,271.20 : x
  2. Step 2: Convert to fraction form
    434,411,384.80/651,617,077.20 = 386,794,271.20/x
  3. Step 3: Cross multiply
    434,411,384.80x = 651,617,077.20 × 386,794,271.20
  4. Step 4: Simplify right side
    434,411,384.80x = 252,041,752,477,048,160
  5. Step 5: Solve for x
    x = 252,041,752,477,048,160/434,411,384.80
  6. Step 6: Final answer
    x = 580,191,406.80

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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.