Home / 890,903,041.61-1,336,354,564.64-475,120,196.87

Finding the Fourth Proportional to 890,903,041.61, 1,336,354,564.64 and 475,120,196.87

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Solution

The fourth proportional to 890,903,041.61, 1,336,354,564.64 and 475,120,196.87 is: 712,680,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,903,041.61 : 1,336,354,564.64 = 475,120,196.87 : x
  2. Step 2: Convert to fraction form
    890,903,041.61/1,336,354,564.64 = 475,120,196.87/x
  3. Step 3: Cross multiply
    890,903,041.61x = 1,336,354,564.64 × 475,120,196.87
  4. Step 4: Simplify right side
    890,903,041.61x = 634,929,043,830,822,528
  5. Step 5: Solve for x
    x = 634,929,043,830,822,528/890,903,041.61
  6. Step 6: Final answer
    x = 712,680,296.49

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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.