Home / 19,134,867,356.10-28,706,332,112.55-8,087,697,000.90

Finding the Fourth Proportional to 19,134,867,356.10, 28,706,332,112.55 and 8,087,697,000.90

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Solution

The fourth proportional to 19,134,867,356.10, 28,706,332,112.55 and 8,087,697,000.90 is: 12,133,249,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134,867,356.10 : 28,706,332,112.55 = 8,087,697,000.90 : x
  2. Step 2: Convert to fraction form
    19,134,867,356.10/28,706,332,112.55 = 8,087,697,000.90/x
  3. Step 3: Cross multiply
    19,134,867,356.10x = 28,706,332,112.55 × 8,087,697,000.90
  4. Step 4: Simplify right side
    19,134,867,356.10x = 232,168,116,133,509,988,352
  5. Step 5: Solve for x
    x = 232,168,116,133,509,988,352/19,134,867,356.10
  6. Step 6: Final answer
    x = 12,133,249,309.38

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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.