Home / 891,179,369.60-1,336,769,054.40-508,973,417.60

Finding the Fourth Proportional to 891,179,369.60, 1,336,769,054.40 and 508,973,417.60

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Solution

The fourth proportional to 891,179,369.60, 1,336,769,054.40 and 508,973,417.60 is: 763,460,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,179,369.60 : 1,336,769,054.40 = 508,973,417.60 : x
  2. Step 2: Convert to fraction form
    891,179,369.60/1,336,769,054.40 = 508,973,417.60/x
  3. Step 3: Cross multiply
    891,179,369.60x = 1,336,769,054.40 × 508,973,417.60
  4. Step 4: Simplify right side
    891,179,369.60x = 680,379,914,159,888,384
  5. Step 5: Solve for x
    x = 680,379,914,159,888,384/891,179,369.60
  6. Step 6: Final answer
    x = 763,460,126.40

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Double scale
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Similar ratio
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1.5x scale

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.