Home / 1,423,475,971.20-2,135,535,921.54-768,412,937.16

Finding the Fourth Proportional to 1,423,475,971.20, 2,135,535,921.54 and 768,412,937.16

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Solution

The fourth proportional to 1,423,475,971.20, 2,135,535,921.54 and 768,412,937.16 is: 1,152,793,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,475,971.20 : 2,135,535,921.54 = 768,412,937.16 : x
  2. Step 2: Convert to fraction form
    1,423,475,971.20/2,135,535,921.54 = 768,412,937.16/x
  3. Step 3: Cross multiply
    1,423,475,971.20x = 2,135,535,921.54 × 768,412,937.16
  4. Step 4: Simplify right side
    1,423,475,971.20x = 1,640,973,429,881,238,528
  5. Step 5: Solve for x
    x = 1,640,973,429,881,238,528/1,423,475,971.20
  6. Step 6: Final answer
    x = 1,152,793,206.97

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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.