Home / 1,302,950,333.80-1,954,708,935.90-429,403,047.40

Finding the Fourth Proportional to 1,302,950,333.80, 1,954,708,935.90 and 429,403,047.40

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Solution

The fourth proportional to 1,302,950,333.80, 1,954,708,935.90 and 429,403,047.40 is: 644,197,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,950,333.80 : 1,954,708,935.90 = 429,403,047.40 : x
  2. Step 2: Convert to fraction form
    1,302,950,333.80/1,954,708,935.90 = 429,403,047.40/x
  3. Step 3: Cross multiply
    1,302,950,333.80x = 1,954,708,935.90 × 429,403,047.40
  4. Step 4: Simplify right side
    1,302,950,333.80x = 839,357,973,855,471,232
  5. Step 5: Solve for x
    x = 839,357,973,855,471,232/1,302,950,333.80
  6. Step 6: Final answer
    x = 644,197,980.60

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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.