Home / 578,769,070.80-868,153,606.20-534,427,208.40

Finding the Fourth Proportional to 578,769,070.80, 868,153,606.20 and 534,427,208.40

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Solution

The fourth proportional to 578,769,070.80, 868,153,606.20 and 534,427,208.40 is: 801,640,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,769,070.80 : 868,153,606.20 = 534,427,208.40 : x
  2. Step 2: Convert to fraction form
    578,769,070.80/868,153,606.20 = 534,427,208.40/x
  3. Step 3: Cross multiply
    578,769,070.80x = 868,153,606.20 × 534,427,208.40
  4. Step 4: Simplify right side
    578,769,070.80x = 463,964,908,223,858,944
  5. Step 5: Solve for x
    x = 463,964,908,223,858,944/578,769,070.80
  6. Step 6: Final answer
    x = 801,640,812.60

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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.