Home / 589,656,018.40-884,484,027.60-521,631,570.40

Finding the Fourth Proportional to 589,656,018.40, 884,484,027.60 and 521,631,570.40

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Solution

The fourth proportional to 589,656,018.40, 884,484,027.60 and 521,631,570.40 is: 782,447,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,656,018.40 : 884,484,027.60 = 521,631,570.40 : x
  2. Step 2: Convert to fraction form
    589,656,018.40/884,484,027.60 = 521,631,570.40/x
  3. Step 3: Cross multiply
    589,656,018.40x = 884,484,027.60 × 521,631,570.40
  4. Step 4: Simplify right side
    589,656,018.40x = 461,374,792,310,704,960
  5. Step 5: Solve for x
    x = 461,374,792,310,704,960/589,656,018.40
  6. Step 6: Final answer
    x = 782,447,355.60

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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.