Home / 1,513,303,765.90-2,269,955,648.85-929,143,818.70

Finding the Fourth Proportional to 1,513,303,765.90, 2,269,955,648.85 and 929,143,818.70

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Solution

The fourth proportional to 1,513,303,765.90, 2,269,955,648.85 and 929,143,818.70 is: 1,393,715,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,303,765.90 : 2,269,955,648.85 = 929,143,818.70 : x
  2. Step 2: Convert to fraction form
    1,513,303,765.90/2,269,955,648.85 = 929,143,818.70/x
  3. Step 3: Cross multiply
    1,513,303,765.90x = 2,269,955,648.85 × 929,143,818.70
  4. Step 4: Simplify right side
    1,513,303,765.90x = 2,109,115,259,852,125,184
  5. Step 5: Solve for x
    x = 2,109,115,259,852,125,184/1,513,303,765.90
  6. Step 6: Final answer
    x = 1,393,715,728.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.