Home / 976,742,488.80-1,465,113,733.20-249,692,709.60

Finding the Fourth Proportional to 976,742,488.80, 1,465,113,733.20 and 249,692,709.60

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Solution

The fourth proportional to 976,742,488.80, 1,465,113,733.20 and 249,692,709.60 is: 374,539,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,742,488.80 : 1,465,113,733.20 = 249,692,709.60 : x
  2. Step 2: Convert to fraction form
    976,742,488.80/1,465,113,733.20 = 249,692,709.60/x
  3. Step 3: Cross multiply
    976,742,488.80x = 1,465,113,733.20 × 249,692,709.60
  4. Step 4: Simplify right side
    976,742,488.80x = 365,828,217,914,879,488
  5. Step 5: Solve for x
    x = 365,828,217,914,879,488/976,742,488.80
  6. Step 6: Final answer
    x = 374,539,064.40

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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.