Home / 1,549,011,663-2,137,636,138.68-853,650,639

Finding the Fourth Proportional to 1,549,011,663, 2,137,636,138.68 and 853,650,639

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Solution

The fourth proportional to 1,549,011,663, 2,137,636,138.68 and 853,650,639 is: 1,178,037,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,011,663 : 2,137,636,138.68 = 853,650,639 : x
  2. Step 2: Convert to fraction form
    1,549,011,663/2,137,636,138.68 = 853,650,639/x
  3. Step 3: Cross multiply
    1,549,011,663x = 2,137,636,138.68 × 853,650,639
  4. Step 4: Simplify right side
    1,549,011,663x = 1,824,794,455,733,674,752
  5. Step 5: Solve for x
    x = 1,824,794,455,733,674,752/1,549,011,663
  6. Step 6: Final answer
    x = 1,178,037,905.92

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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.