Home / 1,302,725,254.40-1,954,087,881.60-577,131,142.40

Finding the Fourth Proportional to 1,302,725,254.40, 1,954,087,881.60 and 577,131,142.40

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Solution

The fourth proportional to 1,302,725,254.40, 1,954,087,881.60 and 577,131,142.40 is: 865,696,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,725,254.40 : 1,954,087,881.60 = 577,131,142.40 : x
  2. Step 2: Convert to fraction form
    1,302,725,254.40/1,954,087,881.60 = 577,131,142.40/x
  3. Step 3: Cross multiply
    1,302,725,254.40x = 1,954,087,881.60 × 577,131,142.40
  4. Step 4: Simplify right side
    1,302,725,254.40x = 1,127,764,971,457,803,776
  5. Step 5: Solve for x
    x = 1,127,764,971,457,803,776/1,302,725,254.40
  6. Step 6: Final answer
    x = 865,696,713.60

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Half scale
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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.