Home / 912,070,429.47-1,258,623,472.59-494,373,746.70

Finding the Fourth Proportional to 912,070,429.47, 1,258,623,472.59 and 494,373,746.70

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Solution

The fourth proportional to 912,070,429.47, 1,258,623,472.59 and 494,373,746.70 is: 682,217,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,070,429.47 : 1,258,623,472.59 = 494,373,746.70 : x
  2. Step 2: Convert to fraction form
    912,070,429.47/1,258,623,472.59 = 494,373,746.70/x
  3. Step 3: Cross multiply
    912,070,429.47x = 1,258,623,472.59 × 494,373,746.70
  4. Step 4: Simplify right side
    912,070,429.47x = 622,230,401,828,882,944
  5. Step 5: Solve for x
    x = 622,230,401,828,882,944/912,070,429.47
  6. Step 6: Final answer
    x = 682,217,493.00

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Half scale
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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.