Home / 1,663,460,909.80-2,495,191,364.70-436,753,364.20

Finding the Fourth Proportional to 1,663,460,909.80, 2,495,191,364.70 and 436,753,364.20

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Solution

The fourth proportional to 1,663,460,909.80, 2,495,191,364.70 and 436,753,364.20 is: 655,130,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,460,909.80 : 2,495,191,364.70 = 436,753,364.20 : x
  2. Step 2: Convert to fraction form
    1,663,460,909.80/2,495,191,364.70 = 436,753,364.20/x
  3. Step 3: Cross multiply
    1,663,460,909.80x = 2,495,191,364.70 × 436,753,364.20
  4. Step 4: Simplify right side
    1,663,460,909.80x = 1,089,783,222,855,513,984
  5. Step 5: Solve for x
    x = 1,089,783,222,855,513,984/1,663,460,909.80
  6. Step 6: Final answer
    x = 655,130,046.30

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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.