Home / 1,249,274,280.52-1,862,742,577.20-1,214,951,246.76

Finding the Fourth Proportional to 1,249,274,280.52, 1,862,742,577.20 and 1,214,951,246.76

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Solution

The fourth proportional to 1,249,274,280.52, 1,862,742,577.20 and 1,214,951,246.76 is: 1,811,564,883.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,274,280.52 : 1,862,742,577.20 = 1,214,951,246.76 : x
  2. Step 2: Convert to fraction form
    1,249,274,280.52/1,862,742,577.20 = 1,214,951,246.76/x
  3. Step 3: Cross multiply
    1,249,274,280.52x = 1,862,742,577.20 × 1,214,951,246.76
  4. Step 4: Simplify right side
    1,249,274,280.52x = 2,263,141,416,562,075,648
  5. Step 5: Solve for x
    x = 2,263,141,416,562,075,648/1,249,274,280.52
  6. Step 6: Final answer
    x = 1,811,564,883.59

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Double scale
Find fourth proportional to 1,249,274,281.52, 1,862,742,578.69 and 1,214,951,247.76
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.