Home / 1,117,536,809.56-1,676,564,587.58-380,613,098.50

Finding the Fourth Proportional to 1,117,536,809.56, 1,676,564,587.58 and 380,613,098.50

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Solution

The fourth proportional to 1,117,536,809.56, 1,676,564,587.58 and 380,613,098.50 is: 571,007,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,536,809.56 : 1,676,564,587.58 = 380,613,098.50 : x
  2. Step 2: Convert to fraction form
    1,117,536,809.56/1,676,564,587.58 = 380,613,098.50/x
  3. Step 3: Cross multiply
    1,117,536,809.56x = 1,676,564,587.58 × 380,613,098.50
  4. Step 4: Simplify right side
    1,117,536,809.56x = 638,122,442,508,103,936
  5. Step 5: Solve for x
    x = 638,122,442,508,103,936/1,117,536,809.56
  6. Step 6: Final answer
    x = 571,007,985.64

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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.