Home / 72,353,791,767.56-99,778,938,151.02-47,900,493,111.56

Finding the Fourth Proportional to 72,353,791,767.56, 99,778,938,151.02 and 47,900,493,111.56

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Solution

The fourth proportional to 72,353,791,767.56, 99,778,938,151.02 and 47,900,493,111.56 is: 66,056,805,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,353,791,767.56 : 99,778,938,151.02 = 47,900,493,111.56 : x
  2. Step 2: Convert to fraction form
    72,353,791,767.56/99,778,938,151.02 = 47,900,493,111.56/x
  3. Step 3: Cross multiply
    72,353,791,767.56x = 99,778,938,151.02 × 47,900,493,111.56
  4. Step 4: Simplify right side
    72,353,791,767.56x = 4,779,460,339,581,704,994,816
  5. Step 5: Solve for x
    x = 4,779,460,339,581,704,994,816/72,353,791,767.56
  6. Step 6: Final answer
    x = 66,056,805,356.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.