Home / 660,483,737.70-989,875,300.95-506,365,847.70

Finding the Fourth Proportional to 660,483,737.70, 989,875,300.95 and 506,365,847.70

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Solution

The fourth proportional to 660,483,737.70, 989,875,300.95 and 506,365,847.70 is: 758,896,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,483,737.70 : 989,875,300.95 = 506,365,847.70 : x
  2. Step 2: Convert to fraction form
    660,483,737.70/989,875,300.95 = 506,365,847.70/x
  3. Step 3: Cross multiply
    660,483,737.70x = 989,875,300.95 × 506,365,847.70
  4. Step 4: Simplify right side
    660,483,737.70x = 501,239,045,882,839,360
  5. Step 5: Solve for x
    x = 501,239,045,882,839,360/660,483,737.70
  6. Step 6: Final answer
    x = 758,896,877.05

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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.