Home / 891,616,817.60-1,336,291,485.60-430,562,225.60

Finding the Fourth Proportional to 891,616,817.60, 1,336,291,485.60 and 430,562,225.60

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Solution

The fourth proportional to 891,616,817.60, 1,336,291,485.60 and 430,562,225.60 is: 645,295,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,616,817.60 : 1,336,291,485.60 = 430,562,225.60 : x
  2. Step 2: Convert to fraction form
    891,616,817.60/1,336,291,485.60 = 430,562,225.60/x
  3. Step 3: Cross multiply
    891,616,817.60x = 1,336,291,485.60 × 430,562,225.60
  4. Step 4: Simplify right side
    891,616,817.60x = 575,356,636,090,266,368
  5. Step 5: Solve for x
    x = 575,356,636,090,266,368/891,616,817.60
  6. Step 6: Final answer
    x = 645,295,854.38

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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.