Home / 1,564,381,569.60-2,346,572,354.40-1,311,840,806.40

Finding the Fourth Proportional to 1,564,381,569.60, 2,346,572,354.40 and 1,311,840,806.40

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Solution

The fourth proportional to 1,564,381,569.60, 2,346,572,354.40 and 1,311,840,806.40 is: 1,967,761,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,381,569.60 : 2,346,572,354.40 = 1,311,840,806.40 : x
  2. Step 2: Convert to fraction form
    1,564,381,569.60/2,346,572,354.40 = 1,311,840,806.40/x
  3. Step 3: Cross multiply
    1,564,381,569.60x = 2,346,572,354.40 × 1,311,840,806.40
  4. Step 4: Simplify right side
    1,564,381,569.60x = 3,078,329,369,672,043,008
  5. Step 5: Solve for x
    x = 3,078,329,369,672,043,008/1,564,381,569.60
  6. Step 6: Final answer
    x = 1,967,761,209.60

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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.