Home / 1,302,950,332.80-1,954,708,934.40-429,403,046.40

Finding the Fourth Proportional to 1,302,950,332.80, 1,954,708,934.40 and 429,403,046.40

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Solution

The fourth proportional to 1,302,950,332.80, 1,954,708,934.40 and 429,403,046.40 is: 644,197,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,950,332.80 : 1,954,708,934.40 = 429,403,046.40 : x
  2. Step 2: Convert to fraction form
    1,302,950,332.80/1,954,708,934.40 = 429,403,046.40/x
  3. Step 3: Cross multiply
    1,302,950,332.80x = 1,954,708,934.40 × 429,403,046.40
  4. Step 4: Simplify right side
    1,302,950,332.80x = 839,357,971,256,657,792
  5. Step 5: Solve for x
    x = 839,357,971,256,657,792/1,302,950,332.80
  6. Step 6: Final answer
    x = 644,197,979.10

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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.