Home / 647,211,785,474.04-971,033,281,612.38-216,991,441,333.08

Finding the Fourth Proportional to 647,211,785,474.04, 971,033,281,612.38 and 216,991,441,333.08

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Solution

The fourth proportional to 647,211,785,474.04, 971,033,281,612.38 and 216,991,441,333.08 is: 325,559,447,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,211,785,474.04 : 971,033,281,612.38 = 216,991,441,333.08 : x
  2. Step 2: Convert to fraction form
    647,211,785,474.04/971,033,281,612.38 = 216,991,441,333.08/x
  3. Step 3: Cross multiply
    647,211,785,474.04x = 971,033,281,612.38 × 216,991,441,333.08
  4. Step 4: Simplify right side
    647,211,785,474.04x = 210,705,911,359,460,878,581,760
  5. Step 5: Solve for x
    x = 210,705,911,359,460,878,581,760/647,211,785,474.04
  6. Step 6: Final answer
    x = 325,559,447,600.50

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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.