Home / 554,903,619.80-832,103,487.30-209,742,531.80

Finding the Fourth Proportional to 554,903,619.80, 832,103,487.30 and 209,742,531.80

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Solution

The fourth proportional to 554,903,619.80, 832,103,487.30 and 209,742,531.80 is: 314,518,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,903,619.80 : 832,103,487.30 = 209,742,531.80 : x
  2. Step 2: Convert to fraction form
    554,903,619.80/832,103,487.30 = 209,742,531.80/x
  3. Step 3: Cross multiply
    554,903,619.80x = 832,103,487.30 × 209,742,531.80
  4. Step 4: Simplify right side
    554,903,619.80x = 174,527,492,145,911,136
  5. Step 5: Solve for x
    x = 174,527,492,145,911,136/554,903,619.80
  6. Step 6: Final answer
    x = 314,518,568.48

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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.