Home / 384,912,421.80-577,368,632.70-97,698,085.80

Finding the Fourth Proportional to 384,912,421.80, 577,368,632.70 and 97,698,085.80

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Solution

The fourth proportional to 384,912,421.80, 577,368,632.70 and 97,698,085.80 is: 146,547,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,421.80 : 577,368,632.70 = 97,698,085.80 : x
  2. Step 2: Convert to fraction form
    384,912,421.80/577,368,632.70 = 97,698,085.80/x
  3. Step 3: Cross multiply
    384,912,421.80x = 577,368,632.70 × 97,698,085.80
  4. Step 4: Simplify right side
    384,912,421.80x = 56,407,810,215,753,288
  5. Step 5: Solve for x
    x = 56,407,810,215,753,288/384,912,421.80
  6. Step 6: Final answer
    x = 146,547,128.70

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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.