Home / 1,214,724,901.92-1,676,321,981.28-657,808,909.44

Finding the Fourth Proportional to 1,214,724,901.92, 1,676,321,981.28 and 657,808,909.44

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Solution

The fourth proportional to 1,214,724,901.92, 1,676,321,981.28 and 657,808,909.44 is: 907,777,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,724,901.92 : 1,676,321,981.28 = 657,808,909.44 : x
  2. Step 2: Convert to fraction form
    1,214,724,901.92/1,676,321,981.28 = 657,808,909.44/x
  3. Step 3: Cross multiply
    1,214,724,901.92x = 1,676,321,981.28 × 657,808,909.44
  4. Step 4: Simplify right side
    1,214,724,901.92x = 1,102,699,534,376,097,024
  5. Step 5: Solve for x
    x = 1,102,699,534,376,097,024/1,214,724,901.92
  6. Step 6: Final answer
    x = 907,777,170.48

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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.