Home / 7,988,358,051.90-11,982,537,077.85-3,333,572,621.10

Finding the Fourth Proportional to 7,988,358,051.90, 11,982,537,077.85 and 3,333,572,621.10

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Solution

The fourth proportional to 7,988,358,051.90, 11,982,537,077.85 and 3,333,572,621.10 is: 5,000,358,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,358,051.90 : 11,982,537,077.85 = 3,333,572,621.10 : x
  2. Step 2: Convert to fraction form
    7,988,358,051.90/11,982,537,077.85 = 3,333,572,621.10/x
  3. Step 3: Cross multiply
    7,988,358,051.90x = 11,982,537,077.85 × 3,333,572,621.10
  4. Step 4: Simplify right side
    7,988,358,051.90x = 39,944,657,534,036,361,216
  5. Step 5: Solve for x
    x = 39,944,657,534,036,361,216/7,988,358,051.90
  6. Step 6: Final answer
    x = 5,000,358,931.65

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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.