Home / 865,366,903.30-1,298,050,354.95-251,971,140.10

Finding the Fourth Proportional to 865,366,903.30, 1,298,050,354.95 and 251,971,140.10

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Solution

The fourth proportional to 865,366,903.30, 1,298,050,354.95 and 251,971,140.10 is: 377,956,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,366,903.30 : 1,298,050,354.95 = 251,971,140.10 : x
  2. Step 2: Convert to fraction form
    865,366,903.30/1,298,050,354.95 = 251,971,140.10/x
  3. Step 3: Cross multiply
    865,366,903.30x = 1,298,050,354.95 × 251,971,140.10
  4. Step 4: Simplify right side
    865,366,903.30x = 327,071,227,843,961,152
  5. Step 5: Solve for x
    x = 327,071,227,843,961,152/865,366,903.30
  6. Step 6: Final answer
    x = 377,956,710.15

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Double scale
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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.