Home / 822,152,141.64-1,134,465,416.28-469,750,946.40

Finding the Fourth Proportional to 822,152,141.64, 1,134,465,416.28 and 469,750,946.40

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Solution

The fourth proportional to 822,152,141.64, 1,134,465,416.28 and 469,750,946.40 is: 648,196,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,152,141.64 : 1,134,465,416.28 = 469,750,946.40 : x
  2. Step 2: Convert to fraction form
    822,152,141.64/1,134,465,416.28 = 469,750,946.40/x
  3. Step 3: Cross multiply
    822,152,141.64x = 1,134,465,416.28 × 469,750,946.40
  4. Step 4: Simplify right side
    822,152,141.64x = 532,916,202,955,599,936
  5. Step 5: Solve for x
    x = 532,916,202,955,599,936/822,152,141.64
  6. Step 6: Final answer
    x = 648,196,575.75

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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.