Home / 859,815,931.26-1,287,833,441.94-710,572,076.94

Finding the Fourth Proportional to 859,815,931.26, 1,287,833,441.94 and 710,572,076.94

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Solution

The fourth proportional to 859,815,931.26, 1,287,833,441.94 and 710,572,076.94 is: 1,064,295,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,815,931.26 : 1,287,833,441.94 = 710,572,076.94 : x
  2. Step 2: Convert to fraction form
    859,815,931.26/1,287,833,441.94 = 710,572,076.94/x
  3. Step 3: Cross multiply
    859,815,931.26x = 1,287,833,441.94 × 710,572,076.94
  4. Step 4: Simplify right side
    859,815,931.26x = 915,098,483,592,094,848
  5. Step 5: Solve for x
    x = 915,098,483,592,094,848/859,815,931.26
  6. Step 6: Final answer
    x = 1,064,295,799.05

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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.