Home / 2,988,045,401.15-4,482,068,101.73-917,763,841.55

Finding the Fourth Proportional to 2,988,045,401.15, 4,482,068,101.73 and 917,763,841.55

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Solution

The fourth proportional to 2,988,045,401.15, 4,482,068,101.73 and 917,763,841.55 is: 1,376,645,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,045,401.15 : 4,482,068,101.73 = 917,763,841.55 : x
  2. Step 2: Convert to fraction form
    2,988,045,401.15/4,482,068,101.73 = 917,763,841.55/x
  3. Step 3: Cross multiply
    2,988,045,401.15x = 4,482,068,101.73 × 917,763,841.55
  4. Step 4: Simplify right side
    2,988,045,401.15x = 4,113,480,039,132,440,576
  5. Step 5: Solve for x
    x = 4,113,480,039,132,440,576/2,988,045,401.15
  6. Step 6: Final answer
    x = 1,376,645,762.33

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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.