Home / 976,742,487.80-1,465,113,731.70-249,692,708.60

Finding the Fourth Proportional to 976,742,487.80, 1,465,113,731.70 and 249,692,708.60

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Solution

The fourth proportional to 976,742,487.80, 1,465,113,731.70 and 249,692,708.60 is: 374,539,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,742,487.80 : 1,465,113,731.70 = 249,692,708.60 : x
  2. Step 2: Convert to fraction form
    976,742,487.80/1,465,113,731.70 = 249,692,708.60/x
  3. Step 3: Cross multiply
    976,742,487.80x = 1,465,113,731.70 × 249,692,708.60
  4. Step 4: Simplify right side
    976,742,487.80x = 365,828,216,075,226,688
  5. Step 5: Solve for x
    x = 365,828,216,075,226,688/976,742,487.80
  6. Step 6: Final answer
    x = 374,539,062.90

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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.