Home / 42,921,960,078.09-64,382,924,963.58-11,478,792,122.03

Finding the Fourth Proportional to 42,921,960,078.09, 64,382,924,963.58 and 11,478,792,122.03

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Solution

The fourth proportional to 42,921,960,078.09, 64,382,924,963.58 and 11,478,792,122.03 is: 17,218,184,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,921,960,078.09 : 64,382,924,963.58 = 11,478,792,122.03 : x
  2. Step 2: Convert to fraction form
    42,921,960,078.09/64,382,924,963.58 = 11,478,792,122.03/x
  3. Step 3: Cross multiply
    42,921,960,078.09x = 64,382,924,963.58 × 11,478,792,122.03
  4. Step 4: Simplify right side
    42,921,960,078.09x = 739,038,211,864,868,814,848
  5. Step 5: Solve for x
    x = 739,038,211,864,868,814,848/42,921,960,078.09
  6. Step 6: Final answer
    x = 17,218,184,130.46

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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.