Home / 478,038,031,180.32-717,060,128,931.52-191,220,048,995.68

Finding the Fourth Proportional to 478,038,031,180.32, 717,060,128,931.52 and 191,220,048,995.68

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Solution

The fourth proportional to 478,038,031,180.32, 717,060,128,931.52 and 191,220,048,995.68 is: 286,831,306,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,038,031,180.32 : 717,060,128,931.52 = 191,220,048,995.68 : x
  2. Step 2: Convert to fraction form
    478,038,031,180.32/717,060,128,931.52 = 191,220,048,995.68/x
  3. Step 3: Cross multiply
    478,038,031,180.32x = 717,060,128,931.52 × 191,220,048,995.68
  4. Step 4: Simplify right side
    478,038,031,180.32x = 137,116,272,987,133,878,206,464
  5. Step 5: Solve for x
    x = 137,116,272,987,133,878,206,464/478,038,031,180.32
  6. Step 6: Final answer
    x = 286,831,306,389.12

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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.