Home / 885,249,269.40-1,328,724,209.70-449,042,496.60

Finding the Fourth Proportional to 885,249,269.40, 1,328,724,209.70 and 449,042,496.60

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Solution

The fourth proportional to 885,249,269.40, 1,328,724,209.70 and 449,042,496.60 is: 673,995,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,249,269.40 : 1,328,724,209.70 = 449,042,496.60 : x
  2. Step 2: Convert to fraction form
    885,249,269.40/1,328,724,209.70 = 449,042,496.60/x
  3. Step 3: Cross multiply
    885,249,269.40x = 1,328,724,209.70 × 449,042,496.60
  4. Step 4: Simplify right side
    885,249,269.40x = 596,653,636,416,550,016
  5. Step 5: Solve for x
    x = 596,653,636,416,550,016/885,249,269.40
  6. Step 6: Final answer
    x = 673,995,062.23

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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.