Home / 2,952,912,003.40-4,429,368,005.10-771,878,139.40

Finding the Fourth Proportional to 2,952,912,003.40, 4,429,368,005.10 and 771,878,139.40

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Solution

The fourth proportional to 2,952,912,003.40, 4,429,368,005.10 and 771,878,139.40 is: 1,157,817,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952,912,003.40 : 4,429,368,005.10 = 771,878,139.40 : x
  2. Step 2: Convert to fraction form
    2,952,912,003.40/4,429,368,005.10 = 771,878,139.40/x
  3. Step 3: Cross multiply
    2,952,912,003.40x = 4,429,368,005.10 × 771,878,139.40
  4. Step 4: Simplify right side
    2,952,912,003.40x = 3,418,932,334,494,477,824
  5. Step 5: Solve for x
    x = 3,418,932,334,494,477,824/2,952,912,003.40
  6. Step 6: Final answer
    x = 1,157,817,209.10

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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.