Home / 1,056,051,750.80-1,584,077,626.20-279,817,216.40

Finding the Fourth Proportional to 1,056,051,750.80, 1,584,077,626.20 and 279,817,216.40

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Solution

The fourth proportional to 1,056,051,750.80, 1,584,077,626.20 and 279,817,216.40 is: 419,725,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,051,750.80 : 1,584,077,626.20 = 279,817,216.40 : x
  2. Step 2: Convert to fraction form
    1,056,051,750.80/1,584,077,626.20 = 279,817,216.40/x
  3. Step 3: Cross multiply
    1,056,051,750.80x = 1,584,077,626.20 × 279,817,216.40
  4. Step 4: Simplify right side
    1,056,051,750.80x = 443,252,191,924,803,712
  5. Step 5: Solve for x
    x = 443,252,191,924,803,712/1,056,051,750.80
  6. Step 6: Final answer
    x = 419,725,824.60

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1.5x scale

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.