Home / 657,910,130.60-986,487,282.30-197,779,327.40

Finding the Fourth Proportional to 657,910,130.60, 986,487,282.30 and 197,779,327.40

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Solution

The fourth proportional to 657,910,130.60, 986,487,282.30 and 197,779,327.40 is: 296,555,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,910,130.60 : 986,487,282.30 = 197,779,327.40 : x
  2. Step 2: Convert to fraction form
    657,910,130.60/986,487,282.30 = 197,779,327.40/x
  3. Step 3: Cross multiply
    657,910,130.60x = 986,487,282.30 × 197,779,327.40
  4. Step 4: Simplify right side
    657,910,130.60x = 195,106,791,181,947,936
  5. Step 5: Solve for x
    x = 195,106,791,181,947,936/657,910,130.60
  6. Step 6: Final answer
    x = 296,555,383.64

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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.