Home / 1,319,578,657,681.80-1,978,299,834,969.50-412,549,581,828.58

Finding the Fourth Proportional to 1,319,578,657,681.80, 1,978,299,834,969.50 and 412,549,581,828.58

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Solution

The fourth proportional to 1,319,578,657,681.80, 1,978,299,834,969.50 and 412,549,581,828.58 is: 618,490,428,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,578,657,681.80 : 1,978,299,834,969.50 = 412,549,581,828.58 : x
  2. Step 2: Convert to fraction form
    1,319,578,657,681.80/1,978,299,834,969.50 = 412,549,581,828.58/x
  3. Step 3: Cross multiply
    1,319,578,657,681.80x = 1,978,299,834,969.50 × 412,549,581,828.58
  4. Step 4: Simplify right side
    1,319,578,657,681.80x = 816,146,769,648,216,105,287,680
  5. Step 5: Solve for x
    x = 816,146,769,648,216,105,287,680/1,319,578,657,681.80
  6. Step 6: Final answer
    x = 618,490,428,666.07

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Why These Related Problems?

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