Home / 463,638,209.80-695,457,314.70-140,480,091.40

Finding the Fourth Proportional to 463,638,209.80, 695,457,314.70 and 140,480,091.40

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Solution

The fourth proportional to 463,638,209.80, 695,457,314.70 and 140,480,091.40 is: 210,720,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,638,209.80 : 695,457,314.70 = 140,480,091.40 : x
  2. Step 2: Convert to fraction form
    463,638,209.80/695,457,314.70 = 140,480,091.40/x
  3. Step 3: Cross multiply
    463,638,209.80x = 695,457,314.70 × 140,480,091.40
  4. Step 4: Simplify right side
    463,638,209.80x = 97,697,907,133,854,576
  5. Step 5: Solve for x
    x = 97,697,907,133,854,576/463,638,209.80
  6. Step 6: Final answer
    x = 210,720,137.10

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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.