Home / 2,912,191,809.23-4,018,842,433.62-1,574,078,508.20

Finding the Fourth Proportional to 2,912,191,809.23, 4,018,842,433.62 and 1,574,078,508.20

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Solution

The fourth proportional to 2,912,191,809.23, 4,018,842,433.62 and 1,574,078,508.20 is: 2,172,237,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,191,809.23 : 4,018,842,433.62 = 1,574,078,508.20 : x
  2. Step 2: Convert to fraction form
    2,912,191,809.23/4,018,842,433.62 = 1,574,078,508.20/x
  3. Step 3: Cross multiply
    2,912,191,809.23x = 4,018,842,433.62 × 1,574,078,508.20
  4. Step 4: Simplify right side
    2,912,191,809.23x = 6,325,973,502,613,474,304
  5. Step 5: Solve for x
    x = 6,325,973,502,613,474,304/2,912,191,809.23
  6. Step 6: Final answer
    x = 2,172,237,928.34

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1.5x scale

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.