Home / 992,472,667.09-1,488,870,712.89-293,035,506.43

Finding the Fourth Proportional to 992,472,667.09, 1,488,870,712.89 and 293,035,506.43

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Solution

The fourth proportional to 992,472,667.09, 1,488,870,712.89 and 293,035,506.43 is: 439,601,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,472,667.09 : 1,488,870,712.89 = 293,035,506.43 : x
  2. Step 2: Convert to fraction form
    992,472,667.09/1,488,870,712.89 = 293,035,506.43/x
  3. Step 3: Cross multiply
    992,472,667.09x = 1,488,870,712.89 × 293,035,506.43
  4. Step 4: Simplify right side
    992,472,667.09x = 436,291,983,360,516,352
  5. Step 5: Solve for x
    x = 436,291,983,360,516,352/992,472,667.09
  6. Step 6: Final answer
    x = 439,601,006.48

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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.