Home / 917,973,897.69-1,266,767,006.27-500,277,193.05

Finding the Fourth Proportional to 917,973,897.69, 1,266,767,006.27 and 500,277,193.05

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Solution

The fourth proportional to 917,973,897.69, 1,266,767,006.27 and 500,277,193.05 is: 690,362,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,973,897.69 : 1,266,767,006.27 = 500,277,193.05 : x
  2. Step 2: Convert to fraction form
    917,973,897.69/1,266,767,006.27 = 500,277,193.05/x
  3. Step 3: Cross multiply
    917,973,897.69x = 1,266,767,006.27 × 500,277,193.05
  4. Step 4: Simplify right side
    917,973,897.69x = 633,734,642,142,606,080
  5. Step 5: Solve for x
    x = 633,734,642,142,606,080/917,973,897.69
  6. Step 6: Final answer
    x = 690,362,377.12

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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.