Home / 712,390,011.40-1,068,585,017.10-712,390,011.40

Finding the Fourth Proportional to 712,390,011.40, 1,068,585,017.10 and 712,390,011.40

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Solution

The fourth proportional to 712,390,011.40, 1,068,585,017.10 and 712,390,011.40 is: 1,068,585,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,390,011.40 : 1,068,585,017.10 = 712,390,011.40 : x
  2. Step 2: Convert to fraction form
    712,390,011.40/1,068,585,017.10 = 712,390,011.40/x
  3. Step 3: Cross multiply
    712,390,011.40x = 1,068,585,017.10 × 712,390,011.40
  4. Step 4: Simplify right side
    712,390,011.40x = 761,249,292,513,738,240
  5. Step 5: Solve for x
    x = 761,249,292,513,738,240/712,390,011.40
  6. Step 6: Final answer
    x = 1,068,585,017.10

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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.