Home / 1,321,880,157,435.60-1,983,725,960,570.50-461,354,326,681.60

Finding the Fourth Proportional to 1,321,880,157,435.60, 1,983,725,960,570.50 and 461,354,326,681.60

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Solution

The fourth proportional to 1,321,880,157,435.60, 1,983,725,960,570.50 and 461,354,326,681.60 is: 692,347,600,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,880,157,435.60 : 1,983,725,960,570.50 = 461,354,326,681.60 : x
  2. Step 2: Convert to fraction form
    1,321,880,157,435.60/1,983,725,960,570.50 = 461,354,326,681.60/x
  3. Step 3: Cross multiply
    1,321,880,157,435.60x = 1,983,725,960,570.50 × 461,354,326,681.60
  4. Step 4: Simplify right side
    1,321,880,157,435.60x = 915,200,554,859,813,234,802,688
  5. Step 5: Solve for x
    x = 915,200,554,859,813,234,802,688/1,321,880,157,435.60
  6. Step 6: Final answer
    x = 692,347,600,281.16

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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.