Home / 358,775,590.40-538,163,385.60-195,091,762.40

Finding the Fourth Proportional to 358,775,590.40, 538,163,385.60 and 195,091,762.40

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Solution

The fourth proportional to 358,775,590.40, 538,163,385.60 and 195,091,762.40 is: 292,637,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,775,590.40 : 538,163,385.60 = 195,091,762.40 : x
  2. Step 2: Convert to fraction form
    358,775,590.40/538,163,385.60 = 195,091,762.40/x
  3. Step 3: Cross multiply
    358,775,590.40x = 538,163,385.60 × 195,091,762.40
  4. Step 4: Simplify right side
    358,775,590.40x = 104,991,243,355,854,784
  5. Step 5: Solve for x
    x = 104,991,243,355,854,784/358,775,590.40
  6. Step 6: Final answer
    x = 292,637,643.60

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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.