Home / 1,404,423,030.80-1,938,103,747.17-777,931,815.26

Finding the Fourth Proportional to 1,404,423,030.80, 1,938,103,747.17 and 777,931,815.26

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Solution

The fourth proportional to 1,404,423,030.80, 1,938,103,747.17 and 777,931,815.26 is: 1,073,545,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,423,030.80 : 1,938,103,747.17 = 777,931,815.26 : x
  2. Step 2: Convert to fraction form
    1,404,423,030.80/1,938,103,747.17 = 777,931,815.26/x
  3. Step 3: Cross multiply
    1,404,423,030.80x = 1,938,103,747.17 × 777,931,815.26
  4. Step 4: Simplify right side
    1,404,423,030.80x = 1,507,712,566,198,166,272
  5. Step 5: Solve for x
    x = 1,507,712,566,198,166,272/1,404,423,030.80
  6. Step 6: Final answer
    x = 1,073,545,885.49

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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.