Home / 7,365,655,139.40-11,048,482,709.10-4,426,998,985.80

Finding the Fourth Proportional to 7,365,655,139.40, 11,048,482,709.10 and 4,426,998,985.80

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Solution

The fourth proportional to 7,365,655,139.40, 11,048,482,709.10 and 4,426,998,985.80 is: 6,640,498,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365,655,139.40 : 11,048,482,709.10 = 4,426,998,985.80 : x
  2. Step 2: Convert to fraction form
    7,365,655,139.40/11,048,482,709.10 = 4,426,998,985.80/x
  3. Step 3: Cross multiply
    7,365,655,139.40x = 11,048,482,709.10 × 4,426,998,985.80
  4. Step 4: Simplify right side
    7,365,655,139.40x = 48,911,621,747,814,539,264
  5. Step 5: Solve for x
    x = 48,911,621,747,814,539,264/7,365,655,139.40
  6. Step 6: Final answer
    x = 6,640,498,478.70

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Double scale
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Similar ratio
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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.