Home / 342,681,709,320.54-472,402,350,500.76-239,478,411,388.86

Finding the Fourth Proportional to 342,681,709,320.54, 472,402,350,500.76 and 239,478,411,388.86

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Solution

The fourth proportional to 342,681,709,320.54, 472,402,350,500.76 and 239,478,411,388.86 is: 330,131,901,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,681,709,320.54 : 472,402,350,500.76 = 239,478,411,388.86 : x
  2. Step 2: Convert to fraction form
    342,681,709,320.54/472,402,350,500.76 = 239,478,411,388.86/x
  3. Step 3: Cross multiply
    342,681,709,320.54x = 472,402,350,500.76 × 239,478,411,388.86
  4. Step 4: Simplify right side
    342,681,709,320.54x = 113,130,164,434,285,440,794,624
  5. Step 5: Solve for x
    x = 113,130,164,434,285,440,794,624/342,681,709,320.54
  6. Step 6: Final answer
    x = 330,131,901,870.68

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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.