Home / 1,145,436,510.42-1,580,657,887.71-700,145,442.63

Finding the Fourth Proportional to 1,145,436,510.42, 1,580,657,887.71 and 700,145,442.63

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Solution

The fourth proportional to 1,145,436,510.42, 1,580,657,887.71 and 700,145,442.63 is: 966,173,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,436,510.42 : 1,580,657,887.71 = 700,145,442.63 : x
  2. Step 2: Convert to fraction form
    1,145,436,510.42/1,580,657,887.71 = 700,145,442.63/x
  3. Step 3: Cross multiply
    1,145,436,510.42x = 1,580,657,887.71 × 700,145,442.63
  4. Step 4: Simplify right side
    1,145,436,510.42x = 1,106,690,416,437,318,784
  5. Step 5: Solve for x
    x = 1,106,690,416,437,318,784/1,145,436,510.42
  6. Step 6: Final answer
    x = 966,173,512.34

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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.