Home / 847,165,553.30-1,270,748,329.95-301,710,257.30

Finding the Fourth Proportional to 847,165,553.30, 1,270,748,329.95 and 301,710,257.30

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Solution

The fourth proportional to 847,165,553.30, 1,270,748,329.95 and 301,710,257.30 is: 452,565,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,165,553.30 : 1,270,748,329.95 = 301,710,257.30 : x
  2. Step 2: Convert to fraction form
    847,165,553.30/1,270,748,329.95 = 301,710,257.30/x
  3. Step 3: Cross multiply
    847,165,553.30x = 1,270,748,329.95 × 301,710,257.30
  4. Step 4: Simplify right side
    847,165,553.30x = 383,397,805,592,759,808
  5. Step 5: Solve for x
    x = 383,397,805,592,759,808/847,165,553.30
  6. Step 6: Final answer
    x = 452,565,385.95

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Double scale
Find fourth proportional to 847,165,554.30, 1,270,748,331.45 and 301,710,258.30
Similar ratio
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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.