Home / 1,688,445,620.88-2,330,055,177.67-935,807,386.98

Finding the Fourth Proportional to 1,688,445,620.88, 2,330,055,177.67 and 935,807,386.98

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Solution

The fourth proportional to 1,688,445,620.88, 2,330,055,177.67 and 935,807,386.98 is: 1,291,414,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,445,620.88 : 2,330,055,177.67 = 935,807,386.98 : x
  2. Step 2: Convert to fraction form
    1,688,445,620.88/2,330,055,177.67 = 935,807,386.98/x
  3. Step 3: Cross multiply
    1,688,445,620.88x = 2,330,055,177.67 × 935,807,386.98
  4. Step 4: Simplify right side
    1,688,445,620.88x = 2,180,482,847,334,582,528
  5. Step 5: Solve for x
    x = 2,180,482,847,334,582,528/1,688,445,620.88
  6. Step 6: Final answer
    x = 1,291,414,316.44

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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.