Home / 1,000,930,946.40-1,381,271,368.32-560,906,390.88

Finding the Fourth Proportional to 1,000,930,946.40, 1,381,271,368.32 and 560,906,390.88

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Solution

The fourth proportional to 1,000,930,946.40, 1,381,271,368.32 and 560,906,390.88 is: 774,043,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,930,946.40 : 1,381,271,368.32 = 560,906,390.88 : x
  2. Step 2: Convert to fraction form
    1,000,930,946.40/1,381,271,368.32 = 560,906,390.88/x
  3. Step 3: Cross multiply
    1,000,930,946.40x = 1,381,271,368.32 × 560,906,390.88
  4. Step 4: Simplify right side
    1,000,930,946.40x = 774,763,938,030,250,368
  5. Step 5: Solve for x
    x = 774,763,938,030,250,368/1,000,930,946.40
  6. Step 6: Final answer
    x = 774,043,345.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.