Home / 1,477,239,281.87-2,038,638,533.83-808,168,805.42

Finding the Fourth Proportional to 1,477,239,281.87, 2,038,638,533.83 and 808,168,805.42

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Solution

The fourth proportional to 1,477,239,281.87, 2,038,638,533.83 and 808,168,805.42 is: 1,115,299,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,239,281.87 : 2,038,638,533.83 = 808,168,805.42 : x
  2. Step 2: Convert to fraction form
    1,477,239,281.87/2,038,638,533.83 = 808,168,805.42/x
  3. Step 3: Cross multiply
    1,477,239,281.87x = 2,038,638,533.83 × 808,168,805.42
  4. Step 4: Simplify right side
    1,477,239,281.87x = 1,647,564,068,556,357,632
  5. Step 5: Solve for x
    x = 1,647,564,068,556,357,632/1,477,239,281.87
  6. Step 6: Final answer
    x = 1,115,299,389.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.