Home / 465,046,903.80-697,570,355.70-310,078,708.20

Finding the Fourth Proportional to 465,046,903.80, 697,570,355.70 and 310,078,708.20

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Solution

The fourth proportional to 465,046,903.80, 697,570,355.70 and 310,078,708.20 is: 465,118,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,046,903.80 : 697,570,355.70 = 310,078,708.20 : x
  2. Step 2: Convert to fraction form
    465,046,903.80/697,570,355.70 = 310,078,708.20/x
  3. Step 3: Cross multiply
    465,046,903.80x = 697,570,355.70 × 310,078,708.20
  4. Step 4: Simplify right side
    465,046,903.80x = 216,301,714,774,070,528
  5. Step 5: Solve for x
    x = 216,301,714,774,070,528/465,046,903.80
  6. Step 6: Final answer
    x = 465,118,062.30

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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.