Home / 4,078,755,329.80-6,118,132,994.70-2,139,806,619.40

Finding the Fourth Proportional to 4,078,755,329.80, 6,118,132,994.70 and 2,139,806,619.40

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Solution

The fourth proportional to 4,078,755,329.80, 6,118,132,994.70 and 2,139,806,619.40 is: 3,209,709,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078,755,329.80 : 6,118,132,994.70 = 2,139,806,619.40 : x
  2. Step 2: Convert to fraction form
    4,078,755,329.80/6,118,132,994.70 = 2,139,806,619.40/x
  3. Step 3: Cross multiply
    4,078,755,329.80x = 6,118,132,994.70 × 2,139,806,619.40
  4. Step 4: Simplify right side
    4,078,755,329.80x = 13,091,621,480,428,605,440
  5. Step 5: Solve for x
    x = 13,091,621,480,428,605,440/4,078,755,329.80
  6. Step 6: Final answer
    x = 3,209,709,929.10

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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.