Home / 869,896,285.48-1,303,122,551.20-760,844,592.28

Finding the Fourth Proportional to 869,896,285.48, 1,303,122,551.20 and 760,844,592.28

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Solution

The fourth proportional to 869,896,285.48, 1,303,122,551.20 and 760,844,592.28 is: 1,139,760,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,896,285.48 : 1,303,122,551.20 = 760,844,592.28 : x
  2. Step 2: Convert to fraction form
    869,896,285.48/1,303,122,551.20 = 760,844,592.28/x
  3. Step 3: Cross multiply
    869,896,285.48x = 1,303,122,551.20 × 760,844,592.28
  4. Step 4: Simplify right side
    869,896,285.48x = 991,473,746,158,637,440
  5. Step 5: Solve for x
    x = 991,473,746,158,637,440/869,896,285.48
  6. Step 6: Final answer
    x = 1,139,760,868.86

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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.