Home / 1,404,423,029.80-1,938,103,745.79-777,931,814.26

Finding the Fourth Proportional to 1,404,423,029.80, 1,938,103,745.79 and 777,931,814.26

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Solution

The fourth proportional to 1,404,423,029.80, 1,938,103,745.79 and 777,931,814.26 is: 1,073,545,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,423,029.80 : 1,938,103,745.79 = 777,931,814.26 : x
  2. Step 2: Convert to fraction form
    1,404,423,029.80/1,938,103,745.79 = 777,931,814.26/x
  3. Step 3: Cross multiply
    1,404,423,029.80x = 1,938,103,745.79 × 777,931,814.26
  4. Step 4: Simplify right side
    1,404,423,029.80x = 1,507,712,563,186,516,480
  5. Step 5: Solve for x
    x = 1,507,712,563,186,516,480/1,404,423,029.80
  6. Step 6: Final answer
    x = 1,073,545,884.11

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1.5x scale

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.