Home / 1,495,361,415.60-2,243,042,123.40-720,520,437.60

Finding the Fourth Proportional to 1,495,361,415.60, 2,243,042,123.40 and 720,520,437.60

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Solution

The fourth proportional to 1,495,361,415.60, 2,243,042,123.40 and 720,520,437.60 is: 1,080,780,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,361,415.60 : 2,243,042,123.40 = 720,520,437.60 : x
  2. Step 2: Convert to fraction form
    1,495,361,415.60/2,243,042,123.40 = 720,520,437.60/x
  3. Step 3: Cross multiply
    1,495,361,415.60x = 2,243,042,123.40 × 720,520,437.60
  4. Step 4: Simplify right side
    1,495,361,415.60x = 1,616,157,692,307,401,216
  5. Step 5: Solve for x
    x = 1,616,157,692,307,401,216/1,495,361,415.60
  6. Step 6: Final answer
    x = 1,080,780,656.40

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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.