Home / 1,553,681,407.20-2,144,081,202.03-839,216,956.81

Finding the Fourth Proportional to 1,553,681,407.20, 2,144,081,202.03 and 839,216,956.81

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Solution

The fourth proportional to 1,553,681,407.20, 2,144,081,202.03 and 839,216,956.81 is: 1,158,119,864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,681,407.20 : 2,144,081,202.03 = 839,216,956.81 : x
  2. Step 2: Convert to fraction form
    1,553,681,407.20/2,144,081,202.03 = 839,216,956.81/x
  3. Step 3: Cross multiply
    1,553,681,407.20x = 2,144,081,202.03 × 839,216,956.81
  4. Step 4: Simplify right side
    1,553,681,407.20x = 1,799,349,301,521,143,296
  5. Step 5: Solve for x
    x = 1,799,349,301,521,143,296/1,553,681,407.20
  6. Step 6: Final answer
    x = 1,158,119,864.98

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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.