Home / 19,891,280,775.70-27,449,827,829.31-10,859,038,881.22

Finding the Fourth Proportional to 19,891,280,775.70, 27,449,827,829.31 and 10,859,038,881.22

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Solution

The fourth proportional to 19,891,280,775.70, 27,449,827,829.31 and 10,859,038,881.22 is: 14,985,397,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891,280,775.70 : 27,449,827,829.31 = 10,859,038,881.22 : x
  2. Step 2: Convert to fraction form
    19,891,280,775.70/27,449,827,829.31 = 10,859,038,881.22/x
  3. Step 3: Cross multiply
    19,891,280,775.70x = 27,449,827,829.31 × 10,859,038,881.22
  4. Step 4: Simplify right side
    19,891,280,775.70x = 298,078,747,681,332,133,888
  5. Step 5: Solve for x
    x = 298,078,747,681,332,133,888/19,891,280,775.70
  6. Step 6: Final answer
    x = 14,985,397,423.25

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Double scale
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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.