Home / 516,456,848.12-774,226,600.14-201,249,896.36

Finding the Fourth Proportional to 516,456,848.12, 774,226,600.14 and 201,249,896.36

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Solution

The fourth proportional to 516,456,848.12, 774,226,600.14 and 201,249,896.36 is: 301,696,111.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,456,848.12 : 774,226,600.14 = 201,249,896.36 : x
  2. Step 2: Convert to fraction form
    516,456,848.12/774,226,600.14 = 201,249,896.36/x
  3. Step 3: Cross multiply
    516,456,848.12x = 774,226,600.14 × 201,249,896.36
  4. Step 4: Simplify right side
    516,456,848.12x = 155,813,023,037,330,176
  5. Step 5: Solve for x
    x = 155,813,023,037,330,176/516,456,848.12
  6. Step 6: Final answer
    x = 301,696,111.89

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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.