Home / 1,688,445,619.87-2,330,055,176.29-935,807,385.98

Finding the Fourth Proportional to 1,688,445,619.87, 2,330,055,176.29 and 935,807,385.98

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Solution

The fourth proportional to 1,688,445,619.87, 2,330,055,176.29 and 935,807,385.98 is: 1,291,414,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,445,619.87 : 2,330,055,176.29 = 935,807,385.98 : x
  2. Step 2: Convert to fraction form
    1,688,445,619.87/2,330,055,176.29 = 935,807,385.98/x
  3. Step 3: Cross multiply
    1,688,445,619.87x = 2,330,055,176.29 × 935,807,385.98
  4. Step 4: Simplify right side
    1,688,445,619.87x = 2,180,482,843,714,967,296
  5. Step 5: Solve for x
    x = 2,180,482,843,714,967,296/1,688,445,619.87
  6. Step 6: Final answer
    x = 1,291,414,315.07

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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.