Home / 1,011,908,457.30-1,396,437,420.93-588,623,683.35

Finding the Fourth Proportional to 1,011,908,457.30, 1,396,437,420.93 and 588,623,683.35

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Solution

The fourth proportional to 1,011,908,457.30, 1,396,437,420.93 and 588,623,683.35 is: 812,302,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,908,457.30 : 1,396,437,420.93 = 588,623,683.35 : x
  2. Step 2: Convert to fraction form
    1,011,908,457.30/1,396,437,420.93 = 588,623,683.35/x
  3. Step 3: Cross multiply
    1,011,908,457.30x = 1,396,437,420.93 × 588,623,683.35
  4. Step 4: Simplify right side
    1,011,908,457.30x = 821,976,138,278,590,848
  5. Step 5: Solve for x
    x = 821,976,138,278,590,848/1,011,908,457.30
  6. Step 6: Final answer
    x = 812,302,864.30

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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.