Home / 5,178,833,165.70-7,768,249,748.55-5,142,553,460.10

Finding the Fourth Proportional to 5,178,833,165.70, 7,768,249,748.55 and 5,142,553,460.10

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Solution

The fourth proportional to 5,178,833,165.70, 7,768,249,748.55 and 5,142,553,460.10 is: 7,713,830,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,833,165.70 : 7,768,249,748.55 = 5,142,553,460.10 : x
  2. Step 2: Convert to fraction form
    5,178,833,165.70/7,768,249,748.55 = 5,142,553,460.10/x
  3. Step 3: Cross multiply
    5,178,833,165.70x = 7,768,249,748.55 × 5,142,553,460.10
  4. Step 4: Simplify right side
    5,178,833,165.70x = 39,948,639,623,326,760,960
  5. Step 5: Solve for x
    x = 39,948,639,623,326,760,960/5,178,833,165.70
  6. Step 6: Final answer
    x = 7,713,830,190.15

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Double scale
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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.