Home / 463,373,655.20-695,312,425.20-190,771,978.40

Finding the Fourth Proportional to 463,373,655.20, 695,312,425.20 and 190,771,978.40

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Solution

The fourth proportional to 463,373,655.20, 695,312,425.20 and 190,771,978.40 is: 286,261,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,373,655.20 : 695,312,425.20 = 190,771,978.40 : x
  2. Step 2: Convert to fraction form
    463,373,655.20/695,312,425.20 = 190,771,978.40/x
  3. Step 3: Cross multiply
    463,373,655.20x = 695,312,425.20 × 190,771,978.40
  4. Step 4: Simplify right side
    463,373,655.20x = 132,646,126,961,506,032
  5. Step 5: Solve for x
    x = 132,646,126,961,506,032/463,373,655.20
  6. Step 6: Final answer
    x = 286,261,692.85

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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.