Home / 1,658,118,210.60-2,487,177,315.90-509,111,567.40

Finding the Fourth Proportional to 1,658,118,210.60, 2,487,177,315.90 and 509,111,567.40

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Solution

The fourth proportional to 1,658,118,210.60, 2,487,177,315.90 and 509,111,567.40 is: 763,667,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,118,210.60 : 2,487,177,315.90 = 509,111,567.40 : x
  2. Step 2: Convert to fraction form
    1,658,118,210.60/2,487,177,315.90 = 509,111,567.40/x
  3. Step 3: Cross multiply
    1,658,118,210.60x = 2,487,177,315.90 × 509,111,567.40
  4. Step 4: Simplify right side
    1,658,118,210.60x = 1,266,250,741,699,574,016
  5. Step 5: Solve for x
    x = 1,266,250,741,699,574,016/1,658,118,210.60
  6. Step 6: Final answer
    x = 763,667,351.10

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Double scale
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Similar ratio
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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.