Home / 694,061,511.49-1,033,878,577.77-656,468,869.83

Finding the Fourth Proportional to 694,061,511.49, 1,033,878,577.77 and 656,468,869.83

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Solution

The fourth proportional to 694,061,511.49, 1,033,878,577.77 and 656,468,869.83 is: 977,880,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,061,511.49 : 1,033,878,577.77 = 656,468,869.83 : x
  2. Step 2: Convert to fraction form
    694,061,511.49/1,033,878,577.77 = 656,468,869.83/x
  3. Step 3: Cross multiply
    694,061,511.49x = 1,033,878,577.77 × 656,468,869.83
  4. Step 4: Simplify right side
    694,061,511.49x = 678,709,101,490,119,680
  5. Step 5: Solve for x
    x = 678,709,101,490,119,680/694,061,511.49
  6. Step 6: Final answer
    x = 977,880,332.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.