Home / 470,070,931.26-648,014,197.40-328,502,621.34

Finding the Fourth Proportional to 470,070,931.26, 648,014,197.40 and 328,502,621.34

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Solution

The fourth proportional to 470,070,931.26, 648,014,197.40 and 328,502,621.34 is: 452,855,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,070,931.26 : 648,014,197.40 = 328,502,621.34 : x
  2. Step 2: Convert to fraction form
    470,070,931.26/648,014,197.40 = 328,502,621.34/x
  3. Step 3: Cross multiply
    470,070,931.26x = 648,014,197.40 × 328,502,621.34
  4. Step 4: Simplify right side
    470,070,931.26x = 212,874,362,511,436,192
  5. Step 5: Solve for x
    x = 212,874,362,511,436,192/470,070,931.26
  6. Step 6: Final answer
    x = 452,855,831.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.