Home / 970,240,035.90-1,455,360,053.85-280,169,802.30

Finding the Fourth Proportional to 970,240,035.90, 1,455,360,053.85 and 280,169,802.30

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Solution

The fourth proportional to 970,240,035.90, 1,455,360,053.85 and 280,169,802.30 is: 420,254,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,240,035.90 : 1,455,360,053.85 = 280,169,802.30 : x
  2. Step 2: Convert to fraction form
    970,240,035.90/1,455,360,053.85 = 280,169,802.30/x
  3. Step 3: Cross multiply
    970,240,035.90x = 1,455,360,053.85 × 280,169,802.30
  4. Step 4: Simplify right side
    970,240,035.90x = 407,747,938,562,471,872
  5. Step 5: Solve for x
    x = 407,747,938,562,471,872/970,240,035.90
  6. Step 6: Final answer
    x = 420,254,703.45

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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.