Home / 458,706,484,529.72-688,061,903,209.44-140,352,175,490.16

Finding the Fourth Proportional to 458,706,484,529.72, 688,061,903,209.44 and 140,352,175,490.16

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Solution

The fourth proportional to 458,706,484,529.72, 688,061,903,209.44 and 140,352,175,490.16 is: 210,528,929,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,706,484,529.72 : 688,061,903,209.44 = 140,352,175,490.16 : x
  2. Step 2: Convert to fraction form
    458,706,484,529.72/688,061,903,209.44 = 140,352,175,490.16/x
  3. Step 3: Cross multiply
    458,706,484,529.72x = 688,061,903,209.44 × 140,352,175,490.16
  4. Step 4: Simplify right side
    458,706,484,529.72x = 96,570,984,987,344,804,773,888
  5. Step 5: Solve for x
    x = 96,570,984,987,344,804,773,888/458,706,484,529.72
  6. Step 6: Final answer
    x = 210,528,929,161.21

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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.