Home / 2,988,045,407.40-4,482,068,111.10-917,763,847.80

Finding the Fourth Proportional to 2,988,045,407.40, 4,482,068,111.10 and 917,763,847.80

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Solution

The fourth proportional to 2,988,045,407.40, 4,482,068,111.10 and 917,763,847.80 is: 1,376,645,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,045,407.40 : 4,482,068,111.10 = 917,763,847.80 : x
  2. Step 2: Convert to fraction form
    2,988,045,407.40/4,482,068,111.10 = 917,763,847.80/x
  3. Step 3: Cross multiply
    2,988,045,407.40x = 4,482,068,111.10 × 917,763,847.80
  4. Step 4: Simplify right side
    2,988,045,407.40x = 4,113,480,075,744,814,080
  5. Step 5: Solve for x
    x = 4,113,480,075,744,814,080/2,988,045,407.40
  6. Step 6: Final answer
    x = 1,376,645,771.70

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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.