Home / 1,125,248,255.60-1,686,528,690.60-470,198,015.60

Finding the Fourth Proportional to 1,125,248,255.60, 1,686,528,690.60 and 470,198,015.60

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Solution

The fourth proportional to 1,125,248,255.60, 1,686,528,690.60 and 470,198,015.60 is: 704,735,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,248,255.60 : 1,686,528,690.60 = 470,198,015.60 : x
  2. Step 2: Convert to fraction form
    1,125,248,255.60/1,686,528,690.60 = 470,198,015.60/x
  3. Step 3: Cross multiply
    1,125,248,255.60x = 1,686,528,690.60 × 470,198,015.60
  4. Step 4: Simplify right side
    1,125,248,255.60x = 793,002,443,572,586,368
  5. Step 5: Solve for x
    x = 793,002,443,572,586,368/1,125,248,255.60
  6. Step 6: Final answer
    x = 704,735,545.80

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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.