Home / 660,483,721.20-989,875,276.20-506,365,831.20

Finding the Fourth Proportional to 660,483,721.20, 989,875,276.20 and 506,365,831.20

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Solution

The fourth proportional to 660,483,721.20, 989,875,276.20 and 506,365,831.20 is: 758,896,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,483,721.20 : 989,875,276.20 = 506,365,831.20 : x
  2. Step 2: Convert to fraction form
    660,483,721.20/989,875,276.20 = 506,365,831.20/x
  3. Step 3: Cross multiply
    660,483,721.20x = 989,875,276.20 × 506,365,831.20
  4. Step 4: Simplify right side
    660,483,721.20x = 501,239,017,017,342,592
  5. Step 5: Solve for x
    x = 501,239,017,017,342,592/660,483,721.20
  6. Step 6: Final answer
    x = 758,896,852.30

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1.5x scale

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.