Home / 854,208,001.20-1,281,312,001.80-746,712,577.20

Finding the Fourth Proportional to 854,208,001.20, 1,281,312,001.80 and 746,712,577.20

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Solution

The fourth proportional to 854,208,001.20, 1,281,312,001.80 and 746,712,577.20 is: 1,120,068,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,208,001.20 : 1,281,312,001.80 = 746,712,577.20 : x
  2. Step 2: Convert to fraction form
    854,208,001.20/1,281,312,001.80 = 746,712,577.20/x
  3. Step 3: Cross multiply
    854,208,001.20x = 1,281,312,001.80 × 746,712,577.20
  4. Step 4: Simplify right side
    854,208,001.20x = 956,771,787,061,369,088
  5. Step 5: Solve for x
    x = 956,771,787,061,369,088/854,208,001.20
  6. Step 6: Final answer
    x = 1,120,068,865.80

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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.