Home / 346,323,139.40-519,484,709.10-214,809,206.60

Finding the Fourth Proportional to 346,323,139.40, 519,484,709.10 and 214,809,206.60

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Solution

The fourth proportional to 346,323,139.40, 519,484,709.10 and 214,809,206.60 is: 322,213,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,323,139.40 : 519,484,709.10 = 214,809,206.60 : x
  2. Step 2: Convert to fraction form
    346,323,139.40/519,484,709.10 = 214,809,206.60/x
  3. Step 3: Cross multiply
    346,323,139.40x = 519,484,709.10 × 214,809,206.60
  4. Step 4: Simplify right side
    346,323,139.40x = 111,590,098,202,602,800
  5. Step 5: Solve for x
    x = 111,590,098,202,602,800/346,323,139.40
  6. Step 6: Final answer
    x = 322,213,809.90

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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.