Home / 770,743,606.40-1,155,779,486.40-310,528,822.40

Finding the Fourth Proportional to 770,743,606.40, 1,155,779,486.40 and 310,528,822.40

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Solution

The fourth proportional to 770,743,606.40, 1,155,779,486.40 and 310,528,822.40 is: 465,657,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,743,606.40 : 1,155,779,486.40 = 310,528,822.40 : x
  2. Step 2: Convert to fraction form
    770,743,606.40/1,155,779,486.40 = 310,528,822.40/x
  3. Step 3: Cross multiply
    770,743,606.40x = 1,155,779,486.40 × 310,528,822.40
  4. Step 4: Simplify right side
    770,743,606.40x = 358,902,842,865,868,800
  5. Step 5: Solve for x
    x = 358,902,842,865,868,800/770,743,606.40
  6. Step 6: Final answer
    x = 465,657,891.79

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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.