Home / 578,768,511.80-868,152,767.70-534,426,649.40

Finding the Fourth Proportional to 578,768,511.80, 868,152,767.70 and 534,426,649.40

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Solution

The fourth proportional to 578,768,511.80, 868,152,767.70 and 534,426,649.40 is: 801,639,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,768,511.80 : 868,152,767.70 = 534,426,649.40 : x
  2. Step 2: Convert to fraction form
    578,768,511.80/868,152,767.70 = 534,426,649.40/x
  3. Step 3: Cross multiply
    578,768,511.80x = 868,152,767.70 × 534,426,649.40
  4. Step 4: Simplify right side
    578,768,511.80x = 463,963,974,809,247,552
  5. Step 5: Solve for x
    x = 463,963,974,809,247,552/578,768,511.80
  6. Step 6: Final answer
    x = 801,639,974.10

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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.