Home / 907,638,467.40-1,361,457,701.10-830,154,369.60

Finding the Fourth Proportional to 907,638,467.40, 1,361,457,701.10 and 830,154,369.60

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Solution

The fourth proportional to 907,638,467.40, 1,361,457,701.10 and 830,154,369.60 is: 1,245,231,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,638,467.40 : 1,361,457,701.10 = 830,154,369.60 : x
  2. Step 2: Convert to fraction form
    907,638,467.40/1,361,457,701.10 = 830,154,369.60/x
  3. Step 3: Cross multiply
    907,638,467.40x = 1,361,457,701.10 × 830,154,369.60
  4. Step 4: Simplify right side
    907,638,467.40x = 1,130,220,059,593,735,680
  5. Step 5: Solve for x
    x = 1,130,220,059,593,735,680/907,638,467.40
  6. Step 6: Final answer
    x = 1,245,231,554.40

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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.