Home / 20,468,417,552.36-28,247,877,885.08-11,312,749,430.06

Finding the Fourth Proportional to 20,468,417,552.36, 28,247,877,885.08 and 11,312,749,430.06

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Solution

The fourth proportional to 20,468,417,552.36, 28,247,877,885.08 and 11,312,749,430.06 is: 15,612,402,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468,417,552.36 : 28,247,877,885.08 = 11,312,749,430.06 : x
  2. Step 2: Convert to fraction form
    20,468,417,552.36/28,247,877,885.08 = 11,312,749,430.06/x
  3. Step 3: Cross multiply
    20,468,417,552.36x = 28,247,877,885.08 × 11,312,749,430.06
  4. Step 4: Simplify right side
    20,468,417,552.36x = 319,561,164,444,843,245,568
  5. Step 5: Solve for x
    x = 319,561,164,444,843,245,568/20,468,417,552.36
  6. Step 6: Final answer
    x = 15,612,402,064.17

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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.