Home / 30,233,167,220.20-45,349,750,830.30-28,298,249,588.20

Finding the Fourth Proportional to 30,233,167,220.20, 45,349,750,830.30 and 28,298,249,588.20

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Solution

The fourth proportional to 30,233,167,220.20, 45,349,750,830.30 and 28,298,249,588.20 is: 42,447,374,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233,167,220.20 : 45,349,750,830.30 = 28,298,249,588.20 : x
  2. Step 2: Convert to fraction form
    30,233,167,220.20/45,349,750,830.30 = 28,298,249,588.20/x
  3. Step 3: Cross multiply
    30,233,167,220.20x = 45,349,750,830.30 × 28,298,249,588.20
  4. Step 4: Simplify right side
    30,233,167,220.20x = 1,283,318,567,758,509,637,632
  5. Step 5: Solve for x
    x = 1,283,318,567,758,509,637,632/30,233,167,220.20
  6. Step 6: Final answer
    x = 42,447,374,382.30

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Double scale
Find fourth proportional to 30,233,167,221.20, 45,349,750,831.80 and 28,298,249,589.20
Similar ratio
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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.