Home / 1,640,745,484.39-2,461,124,537.45-397,173,913.45

Finding the Fourth Proportional to 1,640,745,484.39, 2,461,124,537.45 and 397,173,913.45

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Solution

The fourth proportional to 1,640,745,484.39, 2,461,124,537.45 and 397,173,913.45 is: 595,762,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,745,484.39 : 2,461,124,537.45 = 397,173,913.45 : x
  2. Step 2: Convert to fraction form
    1,640,745,484.39/2,461,124,537.45 = 397,173,913.45/x
  3. Step 3: Cross multiply
    1,640,745,484.39x = 2,461,124,537.45 × 397,173,913.45
  4. Step 4: Simplify right side
    1,640,745,484.39x = 977,494,464,020,208,128
  5. Step 5: Solve for x
    x = 977,494,464,020,208,128/1,640,745,484.39
  6. Step 6: Final answer
    x = 595,762,397.84

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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.