Home / 1,680,223,656.90-2,520,335,485.35-453,390,140.10

Finding the Fourth Proportional to 1,680,223,656.90, 2,520,335,485.35 and 453,390,140.10

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Solution

The fourth proportional to 1,680,223,656.90, 2,520,335,485.35 and 453,390,140.10 is: 680,085,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,223,656.90 : 2,520,335,485.35 = 453,390,140.10 : x
  2. Step 2: Convert to fraction form
    1,680,223,656.90/2,520,335,485.35 = 453,390,140.10/x
  3. Step 3: Cross multiply
    1,680,223,656.90x = 2,520,335,485.35 × 453,390,140.10
  4. Step 4: Simplify right side
    1,680,223,656.90x = 1,142,695,258,801,837,952
  5. Step 5: Solve for x
    x = 1,142,695,258,801,837,952/1,680,223,656.90
  6. Step 6: Final answer
    x = 680,085,210.15

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Double scale
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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.