Home / 1,426,458,742.60-2,139,688,113.90-814,238,710.60

Finding the Fourth Proportional to 1,426,458,742.60, 2,139,688,113.90 and 814,238,710.60

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Solution

The fourth proportional to 1,426,458,742.60, 2,139,688,113.90 and 814,238,710.60 is: 1,221,358,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,458,742.60 : 2,139,688,113.90 = 814,238,710.60 : x
  2. Step 2: Convert to fraction form
    1,426,458,742.60/2,139,688,113.90 = 814,238,710.60/x
  3. Step 3: Cross multiply
    1,426,458,742.60x = 2,139,688,113.90 × 814,238,710.60
  4. Step 4: Simplify right side
    1,426,458,742.60x = 1,742,216,890,948,082,176
  5. Step 5: Solve for x
    x = 1,742,216,890,948,082,176/1,426,458,742.60
  6. Step 6: Final answer
    x = 1,221,358,065.90

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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.