Home / 1,142,281,917.25-1,575,768,901.35-746,036,850.45

Finding the Fourth Proportional to 1,142,281,917.25, 1,575,768,901.35 and 746,036,850.45

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Solution

The fourth proportional to 1,142,281,917.25, 1,575,768,901.35 and 746,036,850.45 is: 1,029,151,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,281,917.25 : 1,575,768,901.35 = 746,036,850.45 : x
  2. Step 2: Convert to fraction form
    1,142,281,917.25/1,575,768,901.35 = 746,036,850.45/x
  3. Step 3: Cross multiply
    1,142,281,917.25x = 1,575,768,901.35 × 746,036,850.45
  4. Step 4: Simplify right side
    1,142,281,917.25x = 1,175,581,668,200,210,688
  5. Step 5: Solve for x
    x = 1,175,581,668,200,210,688/1,142,281,917.25
  6. Step 6: Final answer
    x = 1,029,151,954.91

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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.