Home / 554,866,469.80-832,047,762.30-209,705,381.80

Finding the Fourth Proportional to 554,866,469.80, 832,047,762.30 and 209,705,381.80

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Solution

The fourth proportional to 554,866,469.80, 832,047,762.30 and 209,705,381.80 is: 314,462,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,866,469.80 : 832,047,762.30 = 209,705,381.80 : x
  2. Step 2: Convert to fraction form
    554,866,469.80/832,047,762.30 = 209,705,381.80/x
  3. Step 3: Cross multiply
    554,866,469.80x = 832,047,762.30 × 209,705,381.80
  4. Step 4: Simplify right side
    554,866,469.80x = 174,484,893,668,957,152
  5. Step 5: Solve for x
    x = 174,484,893,668,957,152/554,866,469.80
  6. Step 6: Final answer
    x = 314,462,853.98

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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.