Home / 1,257,139,708,006.80-1,885,709,559,894.80-302,078,304,247.57

Finding the Fourth Proportional to 1,257,139,708,006.80, 1,885,709,559,894.80 and 302,078,304,247.57

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Solution

The fourth proportional to 1,257,139,708,006.80, 1,885,709,559,894.80 and 302,078,304,247.57 is: 453,117,455,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,139,708,006.80 : 1,885,709,559,894.80 = 302,078,304,247.57 : x
  2. Step 2: Convert to fraction form
    1,257,139,708,006.80/1,885,709,559,894.80 = 302,078,304,247.57/x
  3. Step 3: Cross multiply
    1,257,139,708,006.80x = 1,885,709,559,894.80 × 302,078,304,247.57
  4. Step 4: Simplify right side
    1,257,139,708,006.80x = 569,631,946,156,452,729,585,664
  5. Step 5: Solve for x
    x = 569,631,946,156,452,729,585,664/1,257,139,708,006.80
  6. Step 6: Final answer
    x = 453,117,455,863.05

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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.