Home / 578,768,466.80-868,152,700.20-534,426,604.40

Finding the Fourth Proportional to 578,768,466.80, 868,152,700.20 and 534,426,604.40

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Solution

The fourth proportional to 578,768,466.80, 868,152,700.20 and 534,426,604.40 is: 801,639,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,768,466.80 : 868,152,700.20 = 534,426,604.40 : x
  2. Step 2: Convert to fraction form
    578,768,466.80/868,152,700.20 = 534,426,604.40/x
  3. Step 3: Cross multiply
    578,768,466.80x = 868,152,700.20 × 534,426,604.40
  4. Step 4: Simplify right side
    578,768,466.80x = 463,963,899,668,577,216
  5. Step 5: Solve for x
    x = 463,963,899,668,577,216/578,768,466.80
  6. Step 6: Final answer
    x = 801,639,906.60

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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.