Home / 1,498,808,776.25-2,068,572,567.90-863,607,658.34

Finding the Fourth Proportional to 1,498,808,776.25, 2,068,572,567.90 and 863,607,658.34

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Solution

The fourth proportional to 1,498,808,776.25, 2,068,572,567.90 and 863,607,658.34 is: 1,191,903,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,808,776.25 : 2,068,572,567.90 = 863,607,658.34 : x
  2. Step 2: Convert to fraction form
    1,498,808,776.25/2,068,572,567.90 = 863,607,658.34/x
  3. Step 3: Cross multiply
    1,498,808,776.25x = 2,068,572,567.90 × 863,607,658.34
  4. Step 4: Simplify right side
    1,498,808,776.25x = 1,786,435,111,470,479,872
  5. Step 5: Solve for x
    x = 1,786,435,111,470,479,872/1,498,808,776.25
  6. Step 6: Final answer
    x = 1,191,903,289.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.