Home / 1,616,329,711,435.70-2,230,548,911,678.40-921,905,443,742.60

Finding the Fourth Proportional to 1,616,329,711,435.70, 2,230,548,911,678.40 and 921,905,443,742.60

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Solution

The fourth proportional to 1,616,329,711,435.70, 2,230,548,911,678.40 and 921,905,443,742.60 is: 1,272,237,446,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,329,711,435.70 : 2,230,548,911,678.40 = 921,905,443,742.60 : x
  2. Step 2: Convert to fraction form
    1,616,329,711,435.70/2,230,548,911,678.40 = 921,905,443,742.60/x
  3. Step 3: Cross multiply
    1,616,329,711,435.70x = 2,230,548,911,678.40 × 921,905,443,742.60
  4. Step 4: Simplify right side
    1,616,329,711,435.70x = 2,056,355,184,210,448,778,002,432
  5. Step 5: Solve for x
    x = 2,056,355,184,210,448,778,002,432/1,616,329,711,435.70
  6. Step 6: Final answer
    x = 1,272,237,446,148.22

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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.