Home / 904,578,680.40-1,356,868,020.60-812,745,675.60

Finding the Fourth Proportional to 904,578,680.40, 1,356,868,020.60 and 812,745,675.60

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Solution

The fourth proportional to 904,578,680.40, 1,356,868,020.60 and 812,745,675.60 is: 1,219,118,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,578,680.40 : 1,356,868,020.60 = 812,745,675.60 : x
  2. Step 2: Convert to fraction form
    904,578,680.40/1,356,868,020.60 = 812,745,675.60/x
  3. Step 3: Cross multiply
    904,578,680.40x = 1,356,868,020.60 × 812,745,675.60
  4. Step 4: Simplify right side
    904,578,680.40x = 1,102,788,616,102,581,632
  5. Step 5: Solve for x
    x = 1,102,788,616,102,581,632/904,578,680.40
  6. Step 6: Final answer
    x = 1,219,118,513.40

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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.