Home / 39,649,355,529.48-59,456,580,774.54-21,012,484,940.68

Finding the Fourth Proportional to 39,649,355,529.48, 59,456,580,774.54 and 21,012,484,940.68

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Solution

The fourth proportional to 39,649,355,529.48, 59,456,580,774.54 and 21,012,484,940.68 is: 31,509,478,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,649,355,529.48 : 59,456,580,774.54 = 21,012,484,940.68 : x
  2. Step 2: Convert to fraction form
    39,649,355,529.48/59,456,580,774.54 = 21,012,484,940.68/x
  3. Step 3: Cross multiply
    39,649,355,529.48x = 59,456,580,774.54 × 21,012,484,940.68
  4. Step 4: Simplify right side
    39,649,355,529.48x = 1,249,330,508,149,345,746,944
  5. Step 5: Solve for x
    x = 1,249,330,508,149,345,746,944/39,649,355,529.48
  6. Step 6: Final answer
    x = 31,509,478,312.21

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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.