Home / 1,402,223,223.20-1,935,113,918.88-767,128,981.88

Finding the Fourth Proportional to 1,402,223,223.20, 1,935,113,918.88 and 767,128,981.88

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Solution

The fourth proportional to 1,402,223,223.20, 1,935,113,918.88 and 767,128,981.88 is: 1,058,663,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,223,223.20 : 1,935,113,918.88 = 767,128,981.88 : x
  2. Step 2: Convert to fraction form
    1,402,223,223.20/1,935,113,918.88 = 767,128,981.88/x
  3. Step 3: Cross multiply
    1,402,223,223.20x = 1,935,113,918.88 × 767,128,981.88
  4. Step 4: Simplify right side
    1,402,223,223.20x = 1,484,481,970,412,231,424
  5. Step 5: Solve for x
    x = 1,484,481,970,412,231,424/1,402,223,223.20
  6. Step 6: Final answer
    x = 1,058,663,090.05

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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.