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Finding the Fourth Proportional to 1,007,749,300.07, 1,391,290,587.05 and 895,931,290.95

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Solution

The fourth proportional to 1,007,749,300.07, 1,391,290,587.05 and 895,931,290.95 is: 1,236,915,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,749,300.07 : 1,391,290,587.05 = 895,931,290.95 : x
  2. Step 2: Convert to fraction form
    1,007,749,300.07/1,391,290,587.05 = 895,931,290.95/x
  3. Step 3: Cross multiply
    1,007,749,300.07x = 1,391,290,587.05 × 895,931,290.95
  4. Step 4: Simplify right side
    1,007,749,300.07x = 1,246,500,771,737,810,432
  5. Step 5: Solve for x
    x = 1,246,500,771,737,810,432/1,007,749,300.07
  6. Step 6: Final answer
    x = 1,236,915,542.05

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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.