Home / 825,984,903.40-1,237,484,363.10-480,655,853.80

Finding the Fourth Proportional to 825,984,903.40, 1,237,484,363.10 and 480,655,853.80

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Solution

The fourth proportional to 825,984,903.40, 1,237,484,363.10 and 480,655,853.80 is: 720,114,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,984,903.40 : 1,237,484,363.10 = 480,655,853.80 : x
  2. Step 2: Convert to fraction form
    825,984,903.40/1,237,484,363.10 = 480,655,853.80/x
  3. Step 3: Cross multiply
    825,984,903.40x = 1,237,484,363.10 × 480,655,853.80
  4. Step 4: Simplify right side
    825,984,903.40x = 594,804,103,109,979,648
  5. Step 5: Solve for x
    x = 594,804,103,109,979,648/825,984,903.40
  6. Step 6: Final answer
    x = 720,114,981.11

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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.