Home / 2,391,492,742.80-3,587,239,114.20-838,941,005.40

Finding the Fourth Proportional to 2,391,492,742.80, 3,587,239,114.20 and 838,941,005.40

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Solution

The fourth proportional to 2,391,492,742.80, 3,587,239,114.20 and 838,941,005.40 is: 1,258,411,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,492,742.80 : 3,587,239,114.20 = 838,941,005.40 : x
  2. Step 2: Convert to fraction form
    2,391,492,742.80/3,587,239,114.20 = 838,941,005.40/x
  3. Step 3: Cross multiply
    2,391,492,742.80x = 3,587,239,114.20 × 838,941,005.40
  4. Step 4: Simplify right side
    2,391,492,742.80x = 3,009,481,989,077,153,280
  5. Step 5: Solve for x
    x = 3,009,481,989,077,153,280/2,391,492,742.80
  6. Step 6: Final answer
    x = 1,258,411,508.10

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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.