Home / 528,176,945.40-792,300,410.10-139,994,359.80

Finding the Fourth Proportional to 528,176,945.40, 792,300,410.10 and 139,994,359.80

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Solution

The fourth proportional to 528,176,945.40, 792,300,410.10 and 139,994,359.80 is: 210,000,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,176,945.40 : 792,300,410.10 = 139,994,359.80 : x
  2. Step 2: Convert to fraction form
    528,176,945.40/792,300,410.10 = 139,994,359.80/x
  3. Step 3: Cross multiply
    528,176,945.40x = 792,300,410.10 × 139,994,359.80
  4. Step 4: Simplify right side
    528,176,945.40x = 110,917,588,681,226,960
  5. Step 5: Solve for x
    x = 110,917,588,681,226,960/528,176,945.40
  6. Step 6: Final answer
    x = 210,000,814.40

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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.