Home / 340,712,519.70-511,068,779.55-146,716,871.70

Finding the Fourth Proportional to 340,712,519.70, 511,068,779.55 and 146,716,871.70

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Solution

The fourth proportional to 340,712,519.70, 511,068,779.55 and 146,716,871.70 is: 220,075,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,712,519.70 : 511,068,779.55 = 146,716,871.70 : x
  2. Step 2: Convert to fraction form
    340,712,519.70/511,068,779.55 = 146,716,871.70/x
  3. Step 3: Cross multiply
    340,712,519.70x = 511,068,779.55 × 146,716,871.70
  4. Step 4: Simplify right side
    340,712,519.70x = 74,982,412,559,112,928
  5. Step 5: Solve for x
    x = 74,982,412,559,112,928/340,712,519.70
  6. Step 6: Final answer
    x = 220,075,307.55

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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.