Home / 340,860,485.34-511,312,251.74-144,087,206.40

Finding the Fourth Proportional to 340,860,485.34, 511,312,251.74 and 144,087,206.40

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Solution

The fourth proportional to 340,860,485.34, 511,312,251.74 and 144,087,206.40 is: 216,139,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,860,485.34 : 511,312,251.74 = 144,087,206.40 : x
  2. Step 2: Convert to fraction form
    340,860,485.34/511,312,251.74 = 144,087,206.40/x
  3. Step 3: Cross multiply
    340,860,485.34x = 511,312,251.74 × 144,087,206.40
  4. Step 4: Simplify right side
    340,860,485.34x = 73,673,553,950,589,712
  5. Step 5: Solve for x
    x = 73,673,553,950,589,712/340,860,485.34
  6. Step 6: Final answer
    x = 216,139,908.02

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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.