Home / 1,203,408,045.60-1,805,112,068.40-828,901,572.90

Finding the Fourth Proportional to 1,203,408,045.60, 1,805,112,068.40 and 828,901,572.90

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Solution

The fourth proportional to 1,203,408,045.60, 1,805,112,068.40 and 828,901,572.90 is: 1,243,352,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,408,045.60 : 1,805,112,068.40 = 828,901,572.90 : x
  2. Step 2: Convert to fraction form
    1,203,408,045.60/1,805,112,068.40 = 828,901,572.90/x
  3. Step 3: Cross multiply
    1,203,408,045.60x = 1,805,112,068.40 × 828,901,572.90
  4. Step 4: Simplify right side
    1,203,408,045.60x = 1,496,260,232,757,532,416
  5. Step 5: Solve for x
    x = 1,496,260,232,757,532,416/1,203,408,045.60
  6. Step 6: Final answer
    x = 1,243,352,359.35

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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.