Home / 1,543,051,796-2,129,412,307.92-847,735,561.76

Finding the Fourth Proportional to 1,543,051,796, 2,129,412,307.92 and 847,735,561.76

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Solution

The fourth proportional to 1,543,051,796, 2,129,412,307.92 and 847,735,561.76 is: 1,169,875,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,051,796 : 2,129,412,307.92 = 847,735,561.76 : x
  2. Step 2: Convert to fraction form
    1,543,051,796/2,129,412,307.92 = 847,735,561.76/x
  3. Step 3: Cross multiply
    1,543,051,796x = 2,129,412,307.92 × 847,735,561.76
  4. Step 4: Simplify right side
    1,543,051,796x = 1,805,178,539,073,219,328
  5. Step 5: Solve for x
    x = 1,805,178,539,073,219,328/1,543,051,796
  6. Step 6: Final answer
    x = 1,169,875,530.91

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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.