Home / 942,868,106.55-1,300,952,779.95-571,681,368.63

Finding the Fourth Proportional to 942,868,106.55, 1,300,952,779.95 and 571,681,368.63

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Solution

The fourth proportional to 942,868,106.55, 1,300,952,779.95 and 571,681,368.63 is: 788,795,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,868,106.55 : 1,300,952,779.95 = 571,681,368.63 : x
  2. Step 2: Convert to fraction form
    942,868,106.55/1,300,952,779.95 = 571,681,368.63/x
  3. Step 3: Cross multiply
    942,868,106.55x = 1,300,952,779.95 × 571,681,368.63
  4. Step 4: Simplify right side
    942,868,106.55x = 743,730,465,764,819,200
  5. Step 5: Solve for x
    x = 743,730,465,764,819,200/942,868,106.55
  6. Step 6: Final answer
    x = 788,795,867.20

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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.