Home / 734,914,657.20-1,102,371,985.80-666,890,209.20

Finding the Fourth Proportional to 734,914,657.20, 1,102,371,985.80 and 666,890,209.20

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Solution

The fourth proportional to 734,914,657.20, 1,102,371,985.80 and 666,890,209.20 is: 1,000,335,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,914,657.20 : 1,102,371,985.80 = 666,890,209.20 : x
  2. Step 2: Convert to fraction form
    734,914,657.20/1,102,371,985.80 = 666,890,209.20/x
  3. Step 3: Cross multiply
    734,914,657.20x = 1,102,371,985.80 × 666,890,209.20
  4. Step 4: Simplify right side
    734,914,657.20x = 735,161,084,226,381,440
  5. Step 5: Solve for x
    x = 735,161,084,226,381,440/734,914,657.20
  6. Step 6: Final answer
    x = 1,000,335,313.80

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Double scale
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1.5x scale

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.