Home / 977,087,774.80-1,465,631,662.20-432,892,190.80

Finding the Fourth Proportional to 977,087,774.80, 1,465,631,662.20 and 432,892,190.80

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Solution

The fourth proportional to 977,087,774.80, 1,465,631,662.20 and 432,892,190.80 is: 649,338,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,087,774.80 : 1,465,631,662.20 = 432,892,190.80 : x
  2. Step 2: Convert to fraction form
    977,087,774.80/1,465,631,662.20 = 432,892,190.80/x
  3. Step 3: Cross multiply
    977,087,774.80x = 1,465,631,662.20 × 432,892,190.80
  4. Step 4: Simplify right side
    977,087,774.80x = 634,460,501,155,603,584
  5. Step 5: Solve for x
    x = 634,460,501,155,603,584/977,087,774.80
  6. Step 6: Final answer
    x = 649,338,286.20

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1.5x scale

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.