Home / 19,281,989,246.40-28,922,983,869.60-5,309,767,627.20

Finding the Fourth Proportional to 19,281,989,246.40, 28,922,983,869.60 and 5,309,767,627.20

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Solution

The fourth proportional to 19,281,989,246.40, 28,922,983,869.60 and 5,309,767,627.20 is: 7,964,651,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281,989,246.40 : 28,922,983,869.60 = 5,309,767,627.20 : x
  2. Step 2: Convert to fraction form
    19,281,989,246.40/28,922,983,869.60 = 5,309,767,627.20/x
  3. Step 3: Cross multiply
    19,281,989,246.40x = 28,922,983,869.60 × 5,309,767,627.20
  4. Step 4: Simplify right side
    19,281,989,246.40x = 153,574,323,432,829,845,504
  5. Step 5: Solve for x
    x = 153,574,323,432,829,845,504/19,281,989,246.40
  6. Step 6: Final answer
    x = 7,964,651,440.80

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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.