Home / 720,242,759.16-993,386,620.69-619,941,906.32

Finding the Fourth Proportional to 720,242,759.16, 993,386,620.69 and 619,941,906.32

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Solution

The fourth proportional to 720,242,759.16, 993,386,620.69 and 619,941,906.32 is: 855,047,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,242,759.16 : 993,386,620.69 = 619,941,906.32 : x
  2. Step 2: Convert to fraction form
    720,242,759.16/993,386,620.69 = 619,941,906.32/x
  3. Step 3: Cross multiply
    720,242,759.16x = 993,386,620.69 × 619,941,906.32
  4. Step 4: Simplify right side
    720,242,759.16x = 615,841,995,336,824,576
  5. Step 5: Solve for x
    x = 615,841,995,336,824,576/720,242,759.16
  6. Step 6: Final answer
    x = 855,047,812.01

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Double scale
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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.