Home / 42,921,960,075.84-64,382,924,960.21-11,478,792,119.78

Finding the Fourth Proportional to 42,921,960,075.84, 64,382,924,960.21 and 11,478,792,119.78

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Solution

The fourth proportional to 42,921,960,075.84, 64,382,924,960.21 and 11,478,792,119.78 is: 17,218,184,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,921,960,075.84 : 64,382,924,960.21 = 11,478,792,119.78 : x
  2. Step 2: Convert to fraction form
    42,921,960,075.84/64,382,924,960.21 = 11,478,792,119.78/x
  3. Step 3: Cross multiply
    42,921,960,075.84x = 64,382,924,960.21 × 11,478,792,119.78
  4. Step 4: Simplify right side
    42,921,960,075.84x = 739,038,211,681,266,302,976
  5. Step 5: Solve for x
    x = 739,038,211,681,266,302,976/42,921,960,075.84
  6. Step 6: Final answer
    x = 17,218,184,127.09

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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.