Home / 647,211,785,475.05-971,033,281,613.90-216,991,441,334.08

Finding the Fourth Proportional to 647,211,785,475.05, 971,033,281,613.90 and 216,991,441,334.08

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Solution

The fourth proportional to 647,211,785,475.05, 971,033,281,613.90 and 216,991,441,334.08 is: 325,559,447,602.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,211,785,475.05 : 971,033,281,613.90 = 216,991,441,334.08 : x
  2. Step 2: Convert to fraction form
    647,211,785,475.05/971,033,281,613.90 = 216,991,441,334.08/x
  3. Step 3: Cross multiply
    647,211,785,475.05x = 971,033,281,613.90 × 216,991,441,334.08
  4. Step 4: Simplify right side
    647,211,785,475.05x = 210,705,911,360,761,750,355,968
  5. Step 5: Solve for x
    x = 210,705,911,360,761,750,355,968/647,211,785,475.05
  6. Step 6: Final answer
    x = 325,559,447,602.00

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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.