Home / 1,498,808,775.25-2,068,572,566.52-863,607,657.34

Finding the Fourth Proportional to 1,498,808,775.25, 2,068,572,566.52 and 863,607,657.34

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Solution

The fourth proportional to 1,498,808,775.25, 2,068,572,566.52 and 863,607,657.34 is: 1,191,903,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,808,775.25 : 2,068,572,566.52 = 863,607,657.34 : x
  2. Step 2: Convert to fraction form
    1,498,808,775.25/2,068,572,566.52 = 863,607,657.34/x
  3. Step 3: Cross multiply
    1,498,808,775.25x = 2,068,572,566.52 × 863,607,657.34
  4. Step 4: Simplify right side
    1,498,808,775.25x = 1,786,435,108,210,128,640
  5. Step 5: Solve for x
    x = 1,786,435,108,210,128,640/1,498,808,775.25
  6. Step 6: Final answer
    x = 1,191,903,288.60

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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.