Home / 760,104,743.20-1,140,157,114.80-468,024,769.60

Finding the Fourth Proportional to 760,104,743.20, 1,140,157,114.80 and 468,024,769.60

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Solution

The fourth proportional to 760,104,743.20, 1,140,157,114.80 and 468,024,769.60 is: 702,037,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,104,743.20 : 1,140,157,114.80 = 468,024,769.60 : x
  2. Step 2: Convert to fraction form
    760,104,743.20/1,140,157,114.80 = 468,024,769.60/x
  3. Step 3: Cross multiply
    760,104,743.20x = 1,140,157,114.80 × 468,024,769.60
  4. Step 4: Simplify right side
    760,104,743.20x = 533,621,770,962,070,784
  5. Step 5: Solve for x
    x = 533,621,770,962,070,784/760,104,743.20
  6. Step 6: Final answer
    x = 702,037,154.40

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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.