Home / 1,031,725,776.35-1,423,841,346.08-776,951,041.86

Finding the Fourth Proportional to 1,031,725,776.35, 1,423,841,346.08 and 776,951,041.86

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Solution

The fourth proportional to 1,031,725,776.35, 1,423,841,346.08 and 776,951,041.86 is: 1,072,237,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,725,776.35 : 1,423,841,346.08 = 776,951,041.86 : x
  2. Step 2: Convert to fraction form
    1,031,725,776.35/1,423,841,346.08 = 776,951,041.86/x
  3. Step 3: Cross multiply
    1,031,725,776.35x = 1,423,841,346.08 × 776,951,041.86
  4. Step 4: Simplify right side
    1,031,725,776.35x = 1,106,255,017,269,196,928
  5. Step 5: Solve for x
    x = 1,106,255,017,269,196,928/1,031,725,776.35
  6. Step 6: Final answer
    x = 1,072,237,451.69

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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.