Home / 1,142,281,918.75-1,575,768,903.42-746,036,851.95

Finding the Fourth Proportional to 1,142,281,918.75, 1,575,768,903.42 and 746,036,851.95

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Solution

The fourth proportional to 1,142,281,918.75, 1,575,768,903.42 and 746,036,851.95 is: 1,029,151,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,281,918.75 : 1,575,768,903.42 = 746,036,851.95 : x
  2. Step 2: Convert to fraction form
    1,142,281,918.75/1,575,768,903.42 = 746,036,851.95/x
  3. Step 3: Cross multiply
    1,142,281,918.75x = 1,575,768,903.42 × 746,036,851.95
  4. Step 4: Simplify right side
    1,142,281,918.75x = 1,175,581,672,108,160,512
  5. Step 5: Solve for x
    x = 1,175,581,672,108,160,512/1,142,281,918.75
  6. Step 6: Final answer
    x = 1,029,151,956.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.