Home / 646,563,377.80-969,845,066.70-186,516,555.40

Finding the Fourth Proportional to 646,563,377.80, 969,845,066.70 and 186,516,555.40

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Solution

The fourth proportional to 646,563,377.80, 969,845,066.70 and 186,516,555.40 is: 279,774,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,563,377.80 : 969,845,066.70 = 186,516,555.40 : x
  2. Step 2: Convert to fraction form
    646,563,377.80/969,845,066.70 = 186,516,555.40/x
  3. Step 3: Cross multiply
    646,563,377.80x = 969,845,066.70 × 186,516,555.40
  4. Step 4: Simplify right side
    646,563,377.80x = 180,892,161,112,567,264
  5. Step 5: Solve for x
    x = 180,892,161,112,567,264/646,563,377.80
  6. Step 6: Final answer
    x = 279,774,833.10

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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.