Home / 853,012,497.40-1,279,518,746.10-723,872,334.40

Finding the Fourth Proportional to 853,012,497.40, 1,279,518,746.10 and 723,872,334.40

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Solution

The fourth proportional to 853,012,497.40, 1,279,518,746.10 and 723,872,334.40 is: 1,085,808,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,012,497.40 : 1,279,518,746.10 = 723,872,334.40 : x
  2. Step 2: Convert to fraction form
    853,012,497.40/1,279,518,746.10 = 723,872,334.40/x
  3. Step 3: Cross multiply
    853,012,497.40x = 1,279,518,746.10 × 723,872,334.40
  4. Step 4: Simplify right side
    853,012,497.40x = 926,208,221,647,967,744
  5. Step 5: Solve for x
    x = 926,208,221,647,967,744/853,012,497.40
  6. Step 6: Final answer
    x = 1,085,808,501.60

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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.