Home / 1,270,811,264.71-1,905,125,157.59-441,657,182.58

Finding the Fourth Proportional to 1,270,811,264.71, 1,905,125,157.59 and 441,657,182.58

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Solution

The fourth proportional to 1,270,811,264.71, 1,905,125,157.59 and 441,657,182.58 is: 662,106,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,811,264.71 : 1,905,125,157.59 = 441,657,182.58 : x
  2. Step 2: Convert to fraction form
    1,270,811,264.71/1,905,125,157.59 = 441,657,182.58/x
  3. Step 3: Cross multiply
    1,270,811,264.71x = 1,905,125,157.59 × 441,657,182.58
  4. Step 4: Simplify right side
    1,270,811,264.71x = 841,412,209,563,477,888
  5. Step 5: Solve for x
    x = 841,412,209,563,477,888/1,270,811,264.71
  6. Step 6: Final answer
    x = 662,106,351.22

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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.