Home / 1,197,346,921.20-1,796,692,228.20-507,136,719.60

Finding the Fourth Proportional to 1,197,346,921.20, 1,796,692,228.20 and 507,136,719.60

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Solution

The fourth proportional to 1,197,346,921.20, 1,796,692,228.20 and 507,136,719.60 is: 760,989,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,346,921.20 : 1,796,692,228.20 = 507,136,719.60 : x
  2. Step 2: Convert to fraction form
    1,197,346,921.20/1,796,692,228.20 = 507,136,719.60/x
  3. Step 3: Cross multiply
    1,197,346,921.20x = 1,796,692,228.20 × 507,136,719.60
  4. Step 4: Simplify right side
    1,197,346,921.20x = 911,168,602,740,162,688
  5. Step 5: Solve for x
    x = 911,168,602,740,162,688/1,197,346,921.20
  6. Step 6: Final answer
    x = 760,989,640.18

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Double scale
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1.5x scale

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.